61725980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2557}}^1$

素因数の和:2654

約数の個数: 48

約数和(自身を含む): 139237056

約数和(自身を除く): 77511076

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 71, 85, 142, 170, 284, 340, 355, 710, 1207, 1420, 2414, 2557, 4828, 5114, 6035, 10228, 12070, 12785, 24140, 25570, 43469, 51140, 86938, 173876, 181547, 217345, 363094, 434690, 726188, 869380, 907735, 1815470, 3086299, 3630940, 6172598, 12345196, 15431495, 30862990, 61725980]

約数ペア:

[(1, 61725980), (2, 30862990), (4, 15431495), (5, 12345196), (10, 6172598), (17, 3630940), (20, 3086299), (34, 1815470), (68, 907735), (71, 869380), (85, 726188), (142, 434690), (170, 363094), (284, 217345), (340, 181547), (355, 173876), (710, 86938), (1207, 51140), (1420, 43469), (2414, 25570), (2557, 24140), (4828, 12785), (5114, 12070), (6035, 10228)]