64703740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{4153}}^1$

素因数の和:4222

約数の個数: 48

約数和(自身を含む): 146553120

約数和(自身を除く): 81849380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1558, 3116, 3895, 4153, 7790, 8306, 15580, 16612, 20765, 41530, 78907, 83060, 157814, 170273, 315628, 340546, 394535, 681092, 789070, 851365, 1578140, 1702730, 3235187, 3405460, 6470374, 12940748, 16175935, 32351870, 64703740]

約数ペア:

[(1, 64703740), (2, 32351870), (4, 16175935), (5, 12940748), (10, 6470374), (19, 3405460), (20, 3235187), (38, 1702730), (41, 1578140), (76, 851365), (82, 789070), (95, 681092), (164, 394535), (190, 340546), (205, 315628), (380, 170273), (410, 157814), (779, 83060), (820, 78907), (1558, 41530), (3116, 20765), (3895, 16612), (4153, 15580), (7790, 8306)]