20218733440

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1\times {\mathrm{3307}}^1$

素因数の和:3600

約数の個数: 128

約数和(自身を含む): 49741866720

約数和(自身を除く): 29523133280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 233, 320, 328, 410, 466, 640, 656, 820, 932, 1165, 1312, 1640, 1864, 2330, 2624, 3280, 3307, 3728, 4660, 5248, 6560, 6614, 7456, 9320, 9553, 13120, 13228, 14912, 16535, 18640, 19106, 26240, 26456, 29824, 33070, 37280, 38212, 47765, 52912, 66140, 74560, 76424, 95530, 105824, 132280, 135587, 149120, 152848, 191060, 211648, 264560, 271174, 305696, 382120, 423296, 529120, 542348, 611392, 677935, 764240, 770531, 1058240, 1084696, 1222784, 1355870, 1528480, 1541062, 2116480, 2169392, 2711740, 3056960, 3082124, 3852655, 4338784, 5423480, 6113920, 6164248, 7705310, 8677568, 10846960, 12328496, 15410620, 17355136, 21693920, 24656992, 30821240, 31591771, 43387840, 49313984, 61642480, 63183542, 86775680, 98627968, 123284960, 126367084, 157958855, 246569920, 252734168, 315917710, 493139840, 505468336, 631835420, 1010936672, 1263670840, 2021873344, 2527341680, 4043746688, 5054683360, 10109366720, 20218733440]

約数ペア:

[(1, 20218733440), (2, 10109366720), (4, 5054683360), (5, 4043746688), (8, 2527341680), (10, 2021873344), (16, 1263670840), (20, 1010936672), (32, 631835420), (40, 505468336), (41, 493139840), (64, 315917710), (80, 252734168), (82, 246569920), (128, 157958855), (160, 126367084), (164, 123284960), (205, 98627968), (233, 86775680), (320, 63183542), (328, 61642480), (410, 49313984), (466, 43387840), (640, 31591771), (656, 30821240), (820, 24656992), (932, 21693920), (1165, 17355136), (1312, 15410620), (1640, 12328496), (1864, 10846960), (2330, 8677568), (2624, 7705310), (3280, 6164248), (3307, 6113920), (3728, 5423480), (4660, 4338784), (5248, 3852655), (6560, 3082124), (6614, 3056960), (7456, 2711740), (9320, 2169392), (9553, 2116480), (13120, 1541062), (13228, 1528480), (14912, 1355870), (16535, 1222784), (18640, 1084696), (19106, 1058240), (26240, 770531), (26456, 764240), (29824, 677935), (33070, 611392), (37280, 542348), (38212, 529120), (47765, 423296), (52912, 382120), (66140, 305696), (74560, 271174), (76424, 264560), (95530, 211648), (105824, 191060), (132280, 152848), (135587, 149120)]