131620400

素因数分解:

$2^4\times 5^2\times {\mathrm{281}}^1\times {\mathrm{1171}}^1$

素因数の和:1470

約数の個数: 60

約数和(自身を含む): 317614344

約数和(自身を除く): 185993944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 281, 400, 562, 1124, 1171, 1405, 2248, 2342, 2810, 4496, 4684, 5620, 5855, 7025, 9368, 11240, 11710, 14050, 18736, 22480, 23420, 28100, 29275, 46840, 56200, 58550, 93680, 112400, 117100, 234200, 329051, 468400, 658102, 1316204, 1645255, 2632408, 3290510, 5264816, 6581020, 8226275, 13162040, 16452550, 26324080, 32905100, 65810200, 131620400]

約数ペア:

[(1, 131620400), (2, 65810200), (4, 32905100), (5, 26324080), (8, 16452550), (10, 13162040), (16, 8226275), (20, 6581020), (25, 5264816), (40, 3290510), (50, 2632408), (80, 1645255), (100, 1316204), (200, 658102), (281, 468400), (400, 329051), (562, 234200), (1124, 117100), (1171, 112400), (1405, 93680), (2248, 58550), (2342, 56200), (2810, 46840), (4496, 29275), (4684, 28100), (5620, 23420), (5855, 22480), (7025, 18736), (9368, 14050), (11240, 11710)]