40558960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{661}}^1$

素因数の和:746

約数の個数: 80

約数和(自身を含む): 103430880

約数和(自身を除く): 62871920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 59, 65, 80, 104, 118, 130, 208, 236, 260, 295, 472, 520, 590, 661, 767, 944, 1040, 1180, 1322, 1534, 2360, 2644, 3068, 3305, 3835, 4720, 5288, 6136, 6610, 7670, 8593, 10576, 12272, 13220, 15340, 17186, 26440, 30680, 34372, 38999, 42965, 52880, 61360, 68744, 77998, 85930, 137488, 155996, 171860, 194995, 311992, 343720, 389990, 506987, 623984, 687440, 779980, 1013974, 1559960, 2027948, 2534935, 3119920, 4055896, 5069870, 8111792, 10139740, 20279480, 40558960]

約数ペア:

[(1, 40558960), (2, 20279480), (4, 10139740), (5, 8111792), (8, 5069870), (10, 4055896), (13, 3119920), (16, 2534935), (20, 2027948), (26, 1559960), (40, 1013974), (52, 779980), (59, 687440), (65, 623984), (80, 506987), (104, 389990), (118, 343720), (130, 311992), (208, 194995), (236, 171860), (260, 155996), (295, 137488), (472, 85930), (520, 77998), (590, 68744), (661, 61360), (767, 52880), (944, 42965), (1040, 38999), (1180, 34372), (1322, 30680), (1534, 26440), (2360, 17186), (2644, 15340), (3068, 13220), (3305, 12272), (3835, 10576), (4720, 8593), (5288, 7670), (6136, 6610)]