13781685040

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1\times {\mathrm{5527}}^1$

素因数の和:6050

約数の個数: 80

約数和(自身を含む): 32573629440

約数和(自身を除く): 18791944400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 439, 568, 710, 878, 1136, 1420, 1756, 2195, 2840, 3512, 4390, 5527, 5680, 7024, 8780, 11054, 17560, 22108, 27635, 31169, 35120, 44216, 55270, 62338, 88432, 110540, 124676, 155845, 221080, 249352, 311690, 392417, 442160, 498704, 623380, 784834, 1246760, 1569668, 1962085, 2426353, 2493520, 3139336, 3924170, 4852706, 6278672, 7848340, 9705412, 12131765, 15696680, 19410824, 24263530, 31393360, 38821648, 48527060, 97054120, 172271063, 194108240, 344542126, 689084252, 861355315, 1378168504, 1722710630, 2756337008, 3445421260, 6890842520, 13781685040]

約数ペア:

[(1, 13781685040), (2, 6890842520), (4, 3445421260), (5, 2756337008), (8, 1722710630), (10, 1378168504), (16, 861355315), (20, 689084252), (40, 344542126), (71, 194108240), (80, 172271063), (142, 97054120), (284, 48527060), (355, 38821648), (439, 31393360), (568, 24263530), (710, 19410824), (878, 15696680), (1136, 12131765), (1420, 9705412), (1756, 7848340), (2195, 6278672), (2840, 4852706), (3512, 3924170), (4390, 3139336), (5527, 2493520), (5680, 2426353), (7024, 1962085), (8780, 1569668), (11054, 1246760), (17560, 784834), (22108, 623380), (27635, 498704), (31169, 442160), (35120, 392417), (44216, 311690), (55270, 249352), (62338, 221080), (88432, 155845), (110540, 124676)]