40425880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1163}}^1$

素因数の和:1264

約数の個数: 64

約数和(自身を含む): 100569600

約数和(自身を除く): 60143720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 79, 88, 110, 158, 220, 316, 395, 440, 632, 790, 869, 1163, 1580, 1738, 2326, 3160, 3476, 4345, 4652, 5815, 6952, 8690, 9304, 11630, 12793, 17380, 23260, 25586, 34760, 46520, 51172, 63965, 91877, 102344, 127930, 183754, 255860, 367508, 459385, 511720, 735016, 918770, 1010647, 1837540, 2021294, 3675080, 4042588, 5053235, 8085176, 10106470, 20212940, 40425880]

約数ペア:

[(1, 40425880), (2, 20212940), (4, 10106470), (5, 8085176), (8, 5053235), (10, 4042588), (11, 3675080), (20, 2021294), (22, 1837540), (40, 1010647), (44, 918770), (55, 735016), (79, 511720), (88, 459385), (110, 367508), (158, 255860), (220, 183754), (316, 127930), (395, 102344), (440, 91877), (632, 63965), (790, 51172), (869, 46520), (1163, 34760), (1580, 25586), (1738, 23260), (2326, 17380), (3160, 12793), (3476, 11630), (4345, 9304), (4652, 8690), (5815, 6952)]