2844920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5471}}^1$

素因数の和:5495

約数の個数: 32

約数和(自身を含む): 6894720

約数和(自身を除く): 4049800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 5471, 10942, 21884, 27355, 43768, 54710, 71123, 109420, 142246, 218840, 284492, 355615, 568984, 711230, 1422460, 2844920]

約数ペア:

[(1, 2844920), (2, 1422460), (4, 711230), (5, 568984), (8, 355615), (10, 284492), (13, 218840), (20, 142246), (26, 109420), (40, 71123), (52, 54710), (65, 43768), (104, 27355), (130, 21884), (260, 10942), (520, 5471)]