71534840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137567}}^1$

素因数の和:137591

約数の個数: 32

約数和(自身を含む): 173335680

約数和(自身を除く): 101800840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 137567, 275134, 550268, 687835, 1100536, 1375670, 1788371, 2751340, 3576742, 5502680, 7153484, 8941855, 14306968, 17883710, 35767420, 71534840]

約数ペア:

[(1, 71534840), (2, 35767420), (4, 17883710), (5, 14306968), (8, 8941855), (10, 7153484), (13, 5502680), (20, 3576742), (26, 2751340), (40, 1788371), (52, 1375670), (65, 1100536), (104, 687835), (130, 550268), (260, 275134), (520, 137567)]