51586480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{61}}^1$

素因数の和:147

約数の個数: 120

約数和(自身を含む): 137415312

約数和(自身を除く): 85828832

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 61, 62, 80, 88, 110, 122, 124, 155, 176, 220, 244, 248, 305, 310, 341, 440, 488, 496, 610, 620, 671, 682, 880, 961, 976, 1220, 1240, 1342, 1364, 1705, 1891, 1922, 2440, 2480, 2684, 2728, 3355, 3410, 3782, 3844, 4805, 4880, 5368, 5456, 6710, 6820, 7564, 7688, 9455, 9610, 10571, 10736, 13420, 13640, 15128, 15376, 18910, 19220, 20801, 21142, 26840, 27280, 30256, 37820, 38440, 41602, 42284, 52855, 53680, 58621, 75640, 76880, 83204, 84568, 104005, 105710, 117242, 151280, 166408, 169136, 208010, 211420, 234484, 293105, 332816, 416020, 422840, 468968, 586210, 644831, 832040, 845680, 937936, 1172420, 1289662, 1664080, 2344840, 2579324, 3224155, 4689680, 5158648, 6448310, 10317296, 12896620, 25793240, 51586480]

約数ペア:

[(1, 51586480), (2, 25793240), (4, 12896620), (5, 10317296), (8, 6448310), (10, 5158648), (11, 4689680), (16, 3224155), (20, 2579324), (22, 2344840), (31, 1664080), (40, 1289662), (44, 1172420), (55, 937936), (61, 845680), (62, 832040), (80, 644831), (88, 586210), (110, 468968), (122, 422840), (124, 416020), (155, 332816), (176, 293105), (220, 234484), (244, 211420), (248, 208010), (305, 169136), (310, 166408), (341, 151280), (440, 117242), (488, 105710), (496, 104005), (610, 84568), (620, 83204), (671, 76880), (682, 75640), (880, 58621), (961, 53680), (976, 52855), (1220, 42284), (1240, 41602), (1342, 38440), (1364, 37820), (1705, 30256), (1891, 27280), (1922, 26840), (2440, 21142), (2480, 20801), (2684, 19220), (2728, 18910), (3355, 15376), (3410, 15128), (3782, 13640), (3844, 13420), (4805, 10736), (4880, 10571), (5368, 9610), (5456, 9455), (6710, 7688), (6820, 7564)]