12613240

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{7691}}^1$

素因数の和:7743

約数の個数: 32

約数和(自身を含む): 29075760

約数和(自身を除く): 16462520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 7691, 15382, 30764, 38455, 61528, 76910, 153820, 307640, 315331, 630662, 1261324, 1576655, 2522648, 3153310, 6306620, 12613240]

約数ペア:

[(1, 12613240), (2, 6306620), (4, 3153310), (5, 2522648), (8, 1576655), (10, 1261324), (20, 630662), (40, 315331), (41, 307640), (82, 153820), (164, 76910), (205, 61528), (328, 38455), (410, 30764), (820, 15382), (1640, 7691)]