8148920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15671}}^1$

素因数の和:15695

約数の個数: 32

約数和(自身を含む): 19746720

約数和(自身を除く): 11597800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 15671, 31342, 62684, 78355, 125368, 156710, 203723, 313420, 407446, 626840, 814892, 1018615, 1629784, 2037230, 4074460, 8148920]

約数ペア:

[(1, 8148920), (2, 4074460), (4, 2037230), (5, 1629784), (8, 1018615), (10, 814892), (13, 626840), (20, 407446), (26, 313420), (40, 203723), (52, 156710), (65, 125368), (104, 78355), (130, 62684), (260, 31342), (520, 15671)]