65018680

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{26647}}^1$

素因数の和:26719

約数の個数: 32

約数和(自身を含む): 148695840

約数和(自身を除く): 83677160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 26647, 53294, 106588, 133235, 213176, 266470, 532940, 1065880, 1625467, 3250934, 6501868, 8127335, 13003736, 16254670, 32509340, 65018680]

約数ペア:

[(1, 65018680), (2, 32509340), (4, 16254670), (5, 13003736), (8, 8127335), (10, 6501868), (20, 3250934), (40, 1625467), (61, 1065880), (122, 532940), (244, 266470), (305, 213176), (488, 133235), (610, 106588), (1220, 53294), (2440, 26647)]