42551960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{997}}^1$

素因数の和:1116

約数の個数: 64

約数和(自身を含む): 105628320

約数和(自身を除く): 63076360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 97, 110, 194, 220, 388, 440, 485, 776, 970, 997, 1067, 1940, 1994, 2134, 3880, 3988, 4268, 4985, 5335, 7976, 8536, 9970, 10670, 10967, 19940, 21340, 21934, 39880, 42680, 43868, 54835, 87736, 96709, 109670, 193418, 219340, 386836, 438680, 483545, 773672, 967090, 1063799, 1934180, 2127598, 3868360, 4255196, 5318995, 8510392, 10637990, 21275980, 42551960]

約数ペア:

[(1, 42551960), (2, 21275980), (4, 10637990), (5, 8510392), (8, 5318995), (10, 4255196), (11, 3868360), (20, 2127598), (22, 1934180), (40, 1063799), (44, 967090), (55, 773672), (88, 483545), (97, 438680), (110, 386836), (194, 219340), (220, 193418), (388, 109670), (440, 96709), (485, 87736), (776, 54835), (970, 43868), (997, 42680), (1067, 39880), (1940, 21934), (1994, 21340), (2134, 19940), (3880, 10967), (3988, 10670), (4268, 9970), (4985, 8536), (5335, 7976)]