402017120

素因数分解:

$2^5\times 5^1\times {\mathrm{239}}^1\times {\mathrm{10513}}^1$

素因数の和:10767

約数の個数: 48

約数和(自身を含む): 953830080

約数和(自身を除く): 551812960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 239, 478, 956, 1195, 1912, 2390, 3824, 4780, 7648, 9560, 10513, 19120, 21026, 38240, 42052, 52565, 84104, 105130, 168208, 210260, 336416, 420520, 841040, 1682080, 2512607, 5025214, 10050428, 12563035, 20100856, 25126070, 40201712, 50252140, 80403424, 100504280, 201008560, 402017120]

約数ペア:

[(1, 402017120), (2, 201008560), (4, 100504280), (5, 80403424), (8, 50252140), (10, 40201712), (16, 25126070), (20, 20100856), (32, 12563035), (40, 10050428), (80, 5025214), (160, 2512607), (239, 1682080), (478, 841040), (956, 420520), (1195, 336416), (1912, 210260), (2390, 168208), (3824, 105130), (4780, 84104), (7648, 52565), (9560, 42052), (10513, 38240), (19120, 21026)]