1667751020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{206917}}^1$

素因数の和:206970

約数の個数: 48

約数和(自身を含む): 3893369088

約数和(自身を除く): 2225618068

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 206917, 413834, 827668, 1034585, 2069170, 2689921, 4138340, 5379842, 6414427, 10759684, 12828854, 13449605, 25657708, 26899210, 32072135, 53798420, 64144270, 83387551, 128288540, 166775102, 333550204, 416937755, 833875510, 1667751020]

約数ペア:

[(1, 1667751020), (2, 833875510), (4, 416937755), (5, 333550204), (10, 166775102), (13, 128288540), (20, 83387551), (26, 64144270), (31, 53798420), (52, 32072135), (62, 26899210), (65, 25657708), (124, 13449605), (130, 12828854), (155, 10759684), (260, 6414427), (310, 5379842), (403, 4138340), (620, 2689921), (806, 2069170), (1612, 1034585), (2015, 827668), (4030, 413834), (8060, 206917)]