40956760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{997}}^1$

素因数の和:1100

約数の個数: 64

約数和(自身を含む): 100598400

約数和(自身を除く): 59641640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 79, 104, 130, 158, 260, 316, 395, 520, 632, 790, 997, 1027, 1580, 1994, 2054, 3160, 3988, 4108, 4985, 5135, 7976, 8216, 9970, 10270, 12961, 19940, 20540, 25922, 39880, 41080, 51844, 64805, 78763, 103688, 129610, 157526, 259220, 315052, 393815, 518440, 630104, 787630, 1023919, 1575260, 2047838, 3150520, 4095676, 5119595, 8191352, 10239190, 20478380, 40956760]

約数ペア:

[(1, 40956760), (2, 20478380), (4, 10239190), (5, 8191352), (8, 5119595), (10, 4095676), (13, 3150520), (20, 2047838), (26, 1575260), (40, 1023919), (52, 787630), (65, 630104), (79, 518440), (104, 393815), (130, 315052), (158, 259220), (260, 157526), (316, 129610), (395, 103688), (520, 78763), (632, 64805), (790, 51844), (997, 41080), (1027, 39880), (1580, 25922), (1994, 20540), (2054, 19940), (3160, 12961), (3988, 10270), (4108, 9970), (4985, 8216), (5135, 7976)]