199852120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{384331}}^1$

素因数の和:384355

約数の個数: 32

約数和(自身を含む): 484258320

約数和(自身を除く): 284406200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 384331, 768662, 1537324, 1921655, 3074648, 3843310, 4996303, 7686620, 9992606, 15373240, 19985212, 24981515, 39970424, 49963030, 99926060, 199852120]

約数ペア:

[(1, 199852120), (2, 99926060), (4, 49963030), (5, 39970424), (8, 24981515), (10, 19985212), (13, 15373240), (20, 9992606), (26, 7686620), (40, 4996303), (52, 3843310), (65, 3074648), (104, 1921655), (130, 1537324), (260, 768662), (520, 384331)]