8171540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{593}}^1$

素因数の和:668

約数の個数: 48

約数和(自身を含む): 18860688

約数和(自身を除く): 10689148

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 593, 689, 1060, 1186, 1378, 2372, 2756, 2965, 3445, 5930, 6890, 7709, 11860, 13780, 15418, 30836, 31429, 38545, 62858, 77090, 125716, 154180, 157145, 314290, 408577, 628580, 817154, 1634308, 2042885, 4085770, 8171540]

約数ペア:

[(1, 8171540), (2, 4085770), (4, 2042885), (5, 1634308), (10, 817154), (13, 628580), (20, 408577), (26, 314290), (52, 157145), (53, 154180), (65, 125716), (106, 77090), (130, 62858), (212, 38545), (260, 31429), (265, 30836), (530, 15418), (593, 13780), (689, 11860), (1060, 7709), (1186, 6890), (1378, 5930), (2372, 3445), (2756, 2965)]