64441640

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{269}}^1$

素因数の和:446

約数の個数: 64

約数和(自身を含む): 149590800

約数和(自身を除く): 85149160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 113, 212, 226, 265, 269, 424, 452, 530, 538, 565, 904, 1060, 1076, 1130, 1345, 2120, 2152, 2260, 2690, 4520, 5380, 5989, 10760, 11978, 14257, 23956, 28514, 29945, 30397, 47912, 57028, 59890, 60794, 71285, 114056, 119780, 121588, 142570, 151985, 239560, 243176, 285140, 303970, 570280, 607940, 1215880, 1611041, 3222082, 6444164, 8055205, 12888328, 16110410, 32220820, 64441640]

約数ペア:

[(1, 64441640), (2, 32220820), (4, 16110410), (5, 12888328), (8, 8055205), (10, 6444164), (20, 3222082), (40, 1611041), (53, 1215880), (106, 607940), (113, 570280), (212, 303970), (226, 285140), (265, 243176), (269, 239560), (424, 151985), (452, 142570), (530, 121588), (538, 119780), (565, 114056), (904, 71285), (1060, 60794), (1076, 59890), (1130, 57028), (1345, 47912), (2120, 30397), (2152, 29945), (2260, 28514), (2690, 23956), (4520, 14257), (5380, 11978), (5989, 10760)]