129499240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{249037}}^1$

素因数の和:249061

約数の個数: 32

約数和(自身を含む): 313787880

約数和(自身を除く): 184288640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 249037, 498074, 996148, 1245185, 1992296, 2490370, 3237481, 4980740, 6474962, 9961480, 12949924, 16187405, 25899848, 32374810, 64749620, 129499240]

約数ペア:

[(1, 129499240), (2, 64749620), (4, 32374810), (5, 25899848), (8, 16187405), (10, 12949924), (13, 9961480), (20, 6474962), (26, 4980740), (40, 3237481), (52, 2490370), (65, 1992296), (104, 1245185), (130, 996148), (260, 498074), (520, 249037)]