16280560

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11971}}^1$

素因数の和:12001

約数の個数: 40

約数和(自身を含む): 40082256

約数和(自身を除く): 23801696

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 11971, 23942, 47884, 59855, 95768, 119710, 191536, 203507, 239420, 407014, 478840, 814028, 957680, 1017535, 1628056, 2035070, 3256112, 4070140, 8140280, 16280560]

約数ペア:

[(1, 16280560), (2, 8140280), (4, 4070140), (5, 3256112), (8, 2035070), (10, 1628056), (16, 1017535), (17, 957680), (20, 814028), (34, 478840), (40, 407014), (68, 239420), (80, 203507), (85, 191536), (136, 119710), (170, 95768), (272, 59855), (340, 47884), (680, 23942), (1360, 11971)]