65462800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{12589}}^1$

素因数の和:12620

約数の個数: 60

約数和(自身を含む): 169385860

約数和(自身を除く): 103923060

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 12589, 25178, 50356, 62945, 100712, 125890, 163657, 201424, 251780, 314725, 327314, 503560, 629450, 654628, 818285, 1007120, 1258900, 1309256, 1636570, 2517800, 2618512, 3273140, 4091425, 5035600, 6546280, 8182850, 13092560, 16365700, 32731400, 65462800]

約数ペア:

[(1, 65462800), (2, 32731400), (4, 16365700), (5, 13092560), (8, 8182850), (10, 6546280), (13, 5035600), (16, 4091425), (20, 3273140), (25, 2618512), (26, 2517800), (40, 1636570), (50, 1309256), (52, 1258900), (65, 1007120), (80, 818285), (100, 654628), (104, 629450), (130, 503560), (200, 327314), (208, 314725), (260, 251780), (325, 201424), (400, 163657), (520, 125890), (650, 100712), (1040, 62945), (1300, 50356), (2600, 25178), (5200, 12589)]