65778760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2111}}^1$

素因数の和:2182

約数の個数: 64

約数和(自身を含む): 159667200

約数和(自身を除く): 93888440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 82, 95, 152, 164, 190, 205, 328, 380, 410, 760, 779, 820, 1558, 1640, 2111, 3116, 3895, 4222, 6232, 7790, 8444, 10555, 15580, 16888, 21110, 31160, 40109, 42220, 80218, 84440, 86551, 160436, 173102, 200545, 320872, 346204, 401090, 432755, 692408, 802180, 865510, 1604360, 1644469, 1731020, 3288938, 3462040, 6577876, 8222345, 13155752, 16444690, 32889380, 65778760]

約数ペア:

[(1, 65778760), (2, 32889380), (4, 16444690), (5, 13155752), (8, 8222345), (10, 6577876), (19, 3462040), (20, 3288938), (38, 1731020), (40, 1644469), (41, 1604360), (76, 865510), (82, 802180), (95, 692408), (152, 432755), (164, 401090), (190, 346204), (205, 320872), (328, 200545), (380, 173102), (410, 160436), (760, 86551), (779, 84440), (820, 80218), (1558, 42220), (1640, 40109), (2111, 31160), (3116, 21110), (3895, 16888), (4222, 15580), (6232, 10555), (7790, 8444)]