13333840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12821}}^1$

素因数の和:12847

約数の個数: 40

約数和(自身を含む): 33388488

約数和(自身を除く): 20054648

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 12821, 25642, 51284, 64105, 102568, 128210, 166673, 205136, 256420, 333346, 512840, 666692, 833365, 1025680, 1333384, 1666730, 2666768, 3333460, 6666920, 13333840]

約数ペア:

[(1, 13333840), (2, 6666920), (4, 3333460), (5, 2666768), (8, 1666730), (10, 1333384), (13, 1025680), (16, 833365), (20, 666692), (26, 512840), (40, 333346), (52, 256420), (65, 205136), (80, 166673), (104, 128210), (130, 102568), (208, 64105), (260, 51284), (520, 25642), (1040, 12821)]