68158750

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{4957}}^1$

素因数の和:4990

約数の個数: 40

約数和(自身を含む): 139399128

約数和(自身を除く): 71240378

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 625, 1250, 1375, 2750, 4957, 6875, 9914, 13750, 24785, 49570, 54527, 109054, 123925, 247850, 272635, 545270, 619625, 1239250, 1363175, 2726350, 3098125, 6196250, 6815875, 13631750, 34079375, 68158750]

約数ペア:

[(1, 68158750), (2, 34079375), (5, 13631750), (10, 6815875), (11, 6196250), (22, 3098125), (25, 2726350), (50, 1363175), (55, 1239250), (110, 619625), (125, 545270), (250, 272635), (275, 247850), (550, 123925), (625, 109054), (1250, 54527), (1375, 49570), (2750, 24785), (4957, 13750), (6875, 9914)]