13308640

素因数分解:

$2^5\times 5^1\times {\mathrm{223}}^1\times {\mathrm{373}}^1$

素因数の和:611

約数の個数: 48

約数和(自身を含む): 31667328

約数和(自身を除く): 18358688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 223, 373, 446, 746, 892, 1115, 1492, 1784, 1865, 2230, 2984, 3568, 3730, 4460, 5968, 7136, 7460, 8920, 11936, 14920, 17840, 29840, 35680, 59680, 83179, 166358, 332716, 415895, 665432, 831790, 1330864, 1663580, 2661728, 3327160, 6654320, 13308640]

約数ペア:

[(1, 13308640), (2, 6654320), (4, 3327160), (5, 2661728), (8, 1663580), (10, 1330864), (16, 831790), (20, 665432), (32, 415895), (40, 332716), (80, 166358), (160, 83179), (223, 59680), (373, 35680), (446, 29840), (746, 17840), (892, 14920), (1115, 11936), (1492, 8920), (1784, 7460), (1865, 7136), (2230, 5968), (2984, 4460), (3568, 3730)]