42615980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1997}}^1$

素因数の和:2114

約数の個数: 48

約数和(自身を含む): 98685216

約数和(自身を除く): 56069236

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 97, 110, 194, 220, 388, 485, 970, 1067, 1940, 1997, 2134, 3994, 4268, 5335, 7988, 9985, 10670, 19970, 21340, 21967, 39940, 43934, 87868, 109835, 193709, 219670, 387418, 439340, 774836, 968545, 1937090, 2130799, 3874180, 4261598, 8523196, 10653995, 21307990, 42615980]

約数ペア:

[(1, 42615980), (2, 21307990), (4, 10653995), (5, 8523196), (10, 4261598), (11, 3874180), (20, 2130799), (22, 1937090), (44, 968545), (55, 774836), (97, 439340), (110, 387418), (194, 219670), (220, 193709), (388, 109835), (485, 87868), (970, 43934), (1067, 39940), (1940, 21967), (1997, 21340), (2134, 19970), (3994, 10670), (4268, 9985), (5335, 7988)]