15996280

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{3539}}^1$

素因数の和:3663

約数の個数: 32

約数和(自身を含む): 36320400

約数和(自身を除く): 20324120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 3539, 4520, 7078, 14156, 17695, 28312, 35390, 70780, 141560, 399907, 799814, 1599628, 1999535, 3199256, 3999070, 7998140, 15996280]

約数ペア:

[(1, 15996280), (2, 7998140), (4, 3999070), (5, 3199256), (8, 1999535), (10, 1599628), (20, 799814), (40, 399907), (113, 141560), (226, 70780), (452, 35390), (565, 28312), (904, 17695), (1130, 14156), (2260, 7078), (3539, 4520)]