64197980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41687}}^1$

素因数の和:41714

約数の個数: 48

約数和(自身を含む): 168086016

約数和(自身を除く): 103888036

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 41687, 83374, 166748, 208435, 291809, 416870, 458557, 583618, 833740, 917114, 1167236, 1459045, 1834228, 2292785, 2918090, 3209899, 4585570, 5836180, 6419798, 9171140, 12839596, 16049495, 32098990, 64197980]

約数ペア:

[(1, 64197980), (2, 32098990), (4, 16049495), (5, 12839596), (7, 9171140), (10, 6419798), (11, 5836180), (14, 4585570), (20, 3209899), (22, 2918090), (28, 2292785), (35, 1834228), (44, 1459045), (55, 1167236), (70, 917114), (77, 833740), (110, 583618), (140, 458557), (154, 416870), (220, 291809), (308, 208435), (385, 166748), (770, 83374), (1540, 41687)]