40536640

素因数分解:

$2^6\times 5^1\times {\mathrm{131}}^1\times {\mathrm{967}}^1$

素因数の和:1115

約数の個数: 56

約数和(自身を含む): 97365312

約数和(自身を除く): 56828672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 131, 160, 262, 320, 524, 655, 967, 1048, 1310, 1934, 2096, 2620, 3868, 4192, 4835, 5240, 7736, 8384, 9670, 10480, 15472, 19340, 20960, 30944, 38680, 41920, 61888, 77360, 126677, 154720, 253354, 309440, 506708, 633385, 1013416, 1266770, 2026832, 2533540, 4053664, 5067080, 8107328, 10134160, 20268320, 40536640]

約数ペア:

[(1, 40536640), (2, 20268320), (4, 10134160), (5, 8107328), (8, 5067080), (10, 4053664), (16, 2533540), (20, 2026832), (32, 1266770), (40, 1013416), (64, 633385), (80, 506708), (131, 309440), (160, 253354), (262, 154720), (320, 126677), (524, 77360), (655, 61888), (967, 41920), (1048, 38680), (1310, 30944), (1934, 20960), (2096, 19340), (2620, 15472), (3868, 10480), (4192, 9670), (4835, 8384), (5240, 7736)]