38415260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2081}}^1$

素因数の和:2174

約数の個数: 48

約数和(自身を含む): 88143552

約数和(自身を除く): 49728292

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 2081, 3692, 4162, 4615, 8324, 9230, 10405, 18460, 20810, 27053, 41620, 54106, 108212, 135265, 147751, 270530, 295502, 541060, 591004, 738755, 1477510, 1920763, 2955020, 3841526, 7683052, 9603815, 19207630, 38415260]

約数ペア:

[(1, 38415260), (2, 19207630), (4, 9603815), (5, 7683052), (10, 3841526), (13, 2955020), (20, 1920763), (26, 1477510), (52, 738755), (65, 591004), (71, 541060), (130, 295502), (142, 270530), (260, 147751), (284, 135265), (355, 108212), (710, 54106), (923, 41620), (1420, 27053), (1846, 20810), (2081, 18460), (3692, 10405), (4162, 9230), (4615, 8324)]