65395580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{823}}^1$

素因数の和:998

約数の個数: 48

約数和(自身を含む): 143277120

約数和(自身を除く): 77881540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 137, 145, 274, 290, 548, 580, 685, 823, 1370, 1646, 2740, 3292, 3973, 4115, 7946, 8230, 15892, 16460, 19865, 23867, 39730, 47734, 79460, 95468, 112751, 119335, 225502, 238670, 451004, 477340, 563755, 1127510, 2255020, 3269779, 6539558, 13079116, 16348895, 32697790, 65395580]

約数ペア:

[(1, 65395580), (2, 32697790), (4, 16348895), (5, 13079116), (10, 6539558), (20, 3269779), (29, 2255020), (58, 1127510), (116, 563755), (137, 477340), (145, 451004), (274, 238670), (290, 225502), (548, 119335), (580, 112751), (685, 95468), (823, 79460), (1370, 47734), (1646, 39730), (2740, 23867), (3292, 19865), (3973, 16460), (4115, 15892), (7946, 8230)]