20132978840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38717267}}^1$

素因数の和:38717291

約数の個数: 32

約数和(自身を含む): 48783757680

約数和(自身を除く): 28650778840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 38717267, 77434534, 154869068, 193586335, 309738136, 387172670, 503324471, 774345340, 1006648942, 1548690680, 2013297884, 2516622355, 4026595768, 5033244710, 10066489420, 20132978840]

約数ペア:

[(1, 20132978840), (2, 10066489420), (4, 5033244710), (5, 4026595768), (8, 2516622355), (10, 2013297884), (13, 1548690680), (20, 1006648942), (26, 774345340), (40, 503324471), (52, 387172670), (65, 309738136), (104, 193586335), (130, 154869068), (260, 77434534), (520, 38717267)]