6666920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12821}}^1$

素因数の和:12845

約数の個数: 32

約数和(自身を含む): 16155720

約数和(自身を除く): 9488800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 12821, 25642, 51284, 64105, 102568, 128210, 166673, 256420, 333346, 512840, 666692, 833365, 1333384, 1666730, 3333460, 6666920]

約数ペア:

[(1, 6666920), (2, 3333460), (4, 1666730), (5, 1333384), (8, 833365), (10, 666692), (13, 512840), (20, 333346), (26, 256420), (40, 166673), (52, 128210), (65, 102568), (104, 64105), (130, 51284), (260, 25642), (520, 12821)]