65003920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47797}}^1$

素因数の和:47827

約数の個数: 40

約数和(自身を含む): 160027704

約数和(自身を除く): 95023784

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 47797, 95594, 191188, 238985, 382376, 477970, 764752, 812549, 955940, 1625098, 1911880, 3250196, 3823760, 4062745, 6500392, 8125490, 13000784, 16250980, 32501960, 65003920]

約数ペア:

[(1, 65003920), (2, 32501960), (4, 16250980), (5, 13000784), (8, 8125490), (10, 6500392), (16, 4062745), (17, 3823760), (20, 3250196), (34, 1911880), (40, 1625098), (68, 955940), (80, 812549), (85, 764752), (136, 477970), (170, 382376), (272, 238985), (340, 191188), (680, 95594), (1360, 47797)]