61306480

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{18691}}^1$

素因数の和:18745

約数の個数: 40

約数和(自身を含む): 146021904

約数和(自身を除く): 84715424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 18691, 37382, 74764, 93455, 149528, 186910, 299056, 373820, 747640, 766331, 1495280, 1532662, 3065324, 3831655, 6130648, 7663310, 12261296, 15326620, 30653240, 61306480]

約数ペア:

[(1, 61306480), (2, 30653240), (4, 15326620), (5, 12261296), (8, 7663310), (10, 6130648), (16, 3831655), (20, 3065324), (40, 1532662), (41, 1495280), (80, 766331), (82, 747640), (164, 373820), (205, 299056), (328, 186910), (410, 149528), (656, 93455), (820, 74764), (1640, 37382), (3280, 18691)]