64979620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{557}}^1$

素因数の和:892

約数の個数: 48

約数和(自身を含む): 144365760

約数和(自身を除く): 79386140

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 307, 380, 557, 614, 1114, 1228, 1535, 2228, 2785, 3070, 5570, 5833, 6140, 10583, 11140, 11666, 21166, 23332, 29165, 42332, 52915, 58330, 105830, 116660, 170999, 211660, 341998, 683996, 854995, 1709990, 3248981, 3419980, 6497962, 12995924, 16244905, 32489810, 64979620]

約数ペア:

[(1, 64979620), (2, 32489810), (4, 16244905), (5, 12995924), (10, 6497962), (19, 3419980), (20, 3248981), (38, 1709990), (76, 854995), (95, 683996), (190, 341998), (307, 211660), (380, 170999), (557, 116660), (614, 105830), (1114, 58330), (1228, 52915), (1535, 42332), (2228, 29165), (2785, 23332), (3070, 21166), (5570, 11666), (5833, 11140), (6140, 10583)]