26505680

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8081}}^1$

素因数の和:8135

約数の個数: 40

約数和(自身を含む): 63136584

約数和(自身を除く): 36630904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 8081, 16162, 32324, 40405, 64648, 80810, 129296, 161620, 323240, 331321, 646480, 662642, 1325284, 1656605, 2650568, 3313210, 5301136, 6626420, 13252840, 26505680]

約数ペア:

[(1, 26505680), (2, 13252840), (4, 6626420), (5, 5301136), (8, 3313210), (10, 2650568), (16, 1656605), (20, 1325284), (40, 662642), (41, 646480), (80, 331321), (82, 323240), (164, 161620), (205, 129296), (328, 80810), (410, 64648), (656, 40405), (820, 32324), (1640, 16162), (3280, 8081)]