64016860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1307}}^1$

素因数の和:1426

約数の個数: 48

約数和(自身を含む): 140636160

約数和(自身を除く): 76619300

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 79, 124, 155, 158, 310, 316, 395, 620, 790, 1307, 1580, 2449, 2614, 4898, 5228, 6535, 9796, 12245, 13070, 24490, 26140, 40517, 48980, 81034, 103253, 162068, 202585, 206506, 405170, 413012, 516265, 810340, 1032530, 2065060, 3200843, 6401686, 12803372, 16004215, 32008430, 64016860]

約数ペア:

[(1, 64016860), (2, 32008430), (4, 16004215), (5, 12803372), (10, 6401686), (20, 3200843), (31, 2065060), (62, 1032530), (79, 810340), (124, 516265), (155, 413012), (158, 405170), (310, 206506), (316, 202585), (395, 162068), (620, 103253), (790, 81034), (1307, 48980), (1580, 40517), (2449, 26140), (2614, 24490), (4898, 13070), (5228, 12245), (6535, 9796)]