1626880

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:93

約数の個数: 72

約数和(自身を含む): 4120704

約数和(自身を除く): 2493824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 80, 82, 124, 128, 155, 160, 164, 205, 248, 256, 310, 320, 328, 410, 496, 620, 640, 656, 820, 992, 1240, 1271, 1280, 1312, 1640, 1984, 2480, 2542, 2624, 3280, 3968, 4960, 5084, 5248, 6355, 6560, 7936, 9920, 10168, 10496, 12710, 13120, 19840, 20336, 25420, 26240, 39680, 40672, 50840, 52480, 81344, 101680, 162688, 203360, 325376, 406720, 813440, 1626880]

約数ペア:

[(1, 1626880), (2, 813440), (4, 406720), (5, 325376), (8, 203360), (10, 162688), (16, 101680), (20, 81344), (31, 52480), (32, 50840), (40, 40672), (41, 39680), (62, 26240), (64, 25420), (80, 20336), (82, 19840), (124, 13120), (128, 12710), (155, 10496), (160, 10168), (164, 9920), (205, 7936), (248, 6560), (256, 6355), (310, 5248), (320, 5084), (328, 4960), (410, 3968), (496, 3280), (620, 2624), (640, 2542), (656, 2480), (820, 1984), (992, 1640), (1240, 1312), (1271, 1280)]