145424240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139831}}^1$

素因数の和:139857

約数の個数: 40

約数和(自身を含む): 364122528

約数和(自身を除く): 218698288

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 139831, 279662, 559324, 699155, 1118648, 1398310, 1817803, 2237296, 2796620, 3635606, 5593240, 7271212, 9089015, 11186480, 14542424, 18178030, 29084848, 36356060, 72712120, 145424240]

約数ペア:

[(1, 145424240), (2, 72712120), (4, 36356060), (5, 29084848), (8, 18178030), (10, 14542424), (13, 11186480), (16, 9089015), (20, 7271212), (26, 5593240), (40, 3635606), (52, 2796620), (65, 2237296), (80, 1817803), (104, 1398310), (130, 1118648), (208, 699155), (260, 559324), (520, 279662), (1040, 139831)]