130266040

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{20743}}^1$

素因数の和:20911

約数の個数: 32

約数和(自身を含む): 294979680

約数和(自身を除く): 164713640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 20743, 41486, 82972, 103715, 165944, 207430, 414860, 829720, 3256651, 6513302, 13026604, 16283255, 26053208, 32566510, 65133020, 130266040]

約数ペア:

[(1, 130266040), (2, 65133020), (4, 32566510), (5, 26053208), (8, 16283255), (10, 13026604), (20, 6513302), (40, 3256651), (157, 829720), (314, 414860), (628, 207430), (785, 165944), (1256, 103715), (1570, 82972), (3140, 41486), (6280, 20743)]