66749800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{25673}}^1$

素因数の和:25702

約数の個数: 48

約数和(自身を含む): 167137740

約数和(自身を除く): 100387940

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 25673, 51346, 102692, 128365, 205384, 256730, 333749, 513460, 641825, 667498, 1026920, 1283650, 1334996, 1668745, 2567300, 2669992, 3337490, 5134600, 6674980, 8343725, 13349960, 16687450, 33374900, 66749800]

約数ペア:

[(1, 66749800), (2, 33374900), (4, 16687450), (5, 13349960), (8, 8343725), (10, 6674980), (13, 5134600), (20, 3337490), (25, 2669992), (26, 2567300), (40, 1668745), (50, 1334996), (52, 1283650), (65, 1026920), (100, 667498), (104, 641825), (130, 513460), (200, 333749), (260, 256730), (325, 205384), (520, 128365), (650, 102692), (1300, 51346), (2600, 25673)]