13234678720

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1334141}}^1$

素因数の和:1334189

約数の個数: 56

約数和(自身を含む): 32531718528

約数和(自身を除く): 19297039808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 1334141, 2668282, 5336564, 6670705, 10673128, 13341410, 21346256, 26682820, 41358371, 42692512, 53365640, 82716742, 85385024, 106731280, 165433484, 206791855, 213462560, 330866968, 413583710, 426925120, 661733936, 827167420, 1323467872, 1654334840, 2646935744, 3308669680, 6617339360, 13234678720]

約数ペア:

[(1, 13234678720), (2, 6617339360), (4, 3308669680), (5, 2646935744), (8, 1654334840), (10, 1323467872), (16, 827167420), (20, 661733936), (31, 426925120), (32, 413583710), (40, 330866968), (62, 213462560), (64, 206791855), (80, 165433484), (124, 106731280), (155, 85385024), (160, 82716742), (248, 53365640), (310, 42692512), (320, 41358371), (496, 26682820), (620, 21346256), (992, 13341410), (1240, 10673128), (1984, 6670705), (2480, 5336564), (4960, 2668282), (9920, 1334141)]