18488080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{613}}^1$

素因数の和:668

約数の個数: 80

約数和(自身を含む): 47965680

約数和(自身を除く): 29477600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 40, 52, 58, 65, 80, 104, 116, 130, 145, 208, 232, 260, 290, 377, 464, 520, 580, 613, 754, 1040, 1160, 1226, 1508, 1885, 2320, 2452, 3016, 3065, 3770, 4904, 6032, 6130, 7540, 7969, 9808, 12260, 15080, 15938, 17777, 24520, 30160, 31876, 35554, 39845, 49040, 63752, 71108, 79690, 88885, 127504, 142216, 159380, 177770, 231101, 284432, 318760, 355540, 462202, 637520, 711080, 924404, 1155505, 1422160, 1848808, 2311010, 3697616, 4622020, 9244040, 18488080]

約数ペア:

[(1, 18488080), (2, 9244040), (4, 4622020), (5, 3697616), (8, 2311010), (10, 1848808), (13, 1422160), (16, 1155505), (20, 924404), (26, 711080), (29, 637520), (40, 462202), (52, 355540), (58, 318760), (65, 284432), (80, 231101), (104, 177770), (116, 159380), (130, 142216), (145, 127504), (208, 88885), (232, 79690), (260, 71108), (290, 63752), (377, 49040), (464, 39845), (520, 35554), (580, 31876), (613, 30160), (754, 24520), (1040, 17777), (1160, 15938), (1226, 15080), (1508, 12260), (1885, 9808), (2320, 7969), (2452, 7540), (3016, 6130), (3065, 6032), (3770, 4904)]