61645480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{118549}}^1$

素因数の和:118573

約数の個数: 32

約数和(自身を含む): 149373000

約数和(自身を除く): 87727520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 118549, 237098, 474196, 592745, 948392, 1185490, 1541137, 2370980, 3082274, 4741960, 6164548, 7705685, 12329096, 15411370, 30822740, 61645480]

約数ペア:

[(1, 61645480), (2, 30822740), (4, 15411370), (5, 12329096), (8, 7705685), (10, 6164548), (13, 4741960), (20, 3082274), (26, 2370980), (40, 1541137), (52, 1185490), (65, 948392), (104, 592745), (130, 474196), (260, 237098), (520, 118549)]