25226480

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{7691}}^1$

素因数の和:7745

約数の個数: 40

約数和(自身を含む): 60089904

約数和(自身を除く): 34863424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 7691, 15382, 30764, 38455, 61528, 76910, 123056, 153820, 307640, 315331, 615280, 630662, 1261324, 1576655, 2522648, 3153310, 5045296, 6306620, 12613240, 25226480]

約数ペア:

[(1, 25226480), (2, 12613240), (4, 6306620), (5, 5045296), (8, 3153310), (10, 2522648), (16, 1576655), (20, 1261324), (40, 630662), (41, 615280), (80, 315331), (82, 307640), (164, 153820), (205, 123056), (328, 76910), (410, 61528), (656, 38455), (820, 30764), (1640, 15382), (3280, 7691)]