1639232890

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1201}}^1\times {\mathrm{3329}}^1$

素因数の和:4578

約数の個数: 32

約数和(自身を含む): 3026010960

約数和(自身を除く): 1386778070

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 1201, 2402, 3329, 6005, 6658, 12010, 16645, 33290, 49241, 98482, 136489, 246205, 272978, 492410, 682445, 1364890, 3998129, 7996258, 19990645, 39981290, 163923289, 327846578, 819616445, 1639232890]

約数ペア:

[(1, 1639232890), (2, 819616445), (5, 327846578), (10, 163923289), (41, 39981290), (82, 19990645), (205, 7996258), (410, 3998129), (1201, 1364890), (2402, 682445), (3329, 492410), (6005, 272978), (6658, 246205), (12010, 136489), (16645, 98482), (33290, 49241)]