71508880

素因数分解:

$2^4\times 5^1\times {\mathrm{281}}^1\times {\mathrm{3181}}^1$

素因数の和:3475

約数の個数: 40

約数和(自身を含む): 166902264

約数和(自身を除く): 95393384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 281, 562, 1124, 1405, 2248, 2810, 3181, 4496, 5620, 6362, 11240, 12724, 15905, 22480, 25448, 31810, 50896, 63620, 127240, 254480, 893861, 1787722, 3575444, 4469305, 7150888, 8938610, 14301776, 17877220, 35754440, 71508880]

約数ペア:

[(1, 71508880), (2, 35754440), (4, 17877220), (5, 14301776), (8, 8938610), (10, 7150888), (16, 4469305), (20, 3575444), (40, 1787722), (80, 893861), (281, 254480), (562, 127240), (1124, 63620), (1405, 50896), (2248, 31810), (2810, 25448), (3181, 22480), (4496, 15905), (5620, 12724), (6362, 11240)]