13370120

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2129}}^1$

素因数の和:2297

約数の個数: 32

約数和(自身を含む): 30288600

約数和(自身を除く): 16918480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 2129, 3140, 4258, 6280, 8516, 10645, 17032, 21290, 42580, 85160, 334253, 668506, 1337012, 1671265, 2674024, 3342530, 6685060, 13370120]

約数ペア:

[(1, 13370120), (2, 6685060), (4, 3342530), (5, 2674024), (8, 1671265), (10, 1337012), (20, 668506), (40, 334253), (157, 85160), (314, 42580), (628, 21290), (785, 17032), (1256, 10645), (1570, 8516), (2129, 6280), (3140, 4258)]