5265220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{6421}}^1$

素因数の和:6471

約数の個数: 24

約数和(自身を含む): 11328408

約数和(自身を除く): 6063188

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 6421, 12842, 25684, 32105, 64210, 128420, 263261, 526522, 1053044, 1316305, 2632610, 5265220]

約数ペア:

[(1, 5265220), (2, 2632610), (4, 1316305), (5, 1053044), (10, 526522), (20, 263261), (41, 128420), (82, 64210), (164, 32105), (205, 25684), (410, 12842), (820, 6421)]