400969280

素因数分解:

$2^6\times 5^1\times {\mathrm{1033}}^1\times {\mathrm{1213}}^1$

素因数の和:2263

約数の個数: 56

約数和(自身を含む): 956520312

約数和(自身を除く): 555551032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1033, 1213, 2066, 2426, 4132, 4852, 5165, 6065, 8264, 9704, 10330, 12130, 16528, 19408, 20660, 24260, 33056, 38816, 41320, 48520, 66112, 77632, 82640, 97040, 165280, 194080, 330560, 388160, 1253029, 2506058, 5012116, 6265145, 10024232, 12530290, 20048464, 25060580, 40096928, 50121160, 80193856, 100242320, 200484640, 400969280]

約数ペア:

[(1, 400969280), (2, 200484640), (4, 100242320), (5, 80193856), (8, 50121160), (10, 40096928), (16, 25060580), (20, 20048464), (32, 12530290), (40, 10024232), (64, 6265145), (80, 5012116), (160, 2506058), (320, 1253029), (1033, 388160), (1213, 330560), (2066, 194080), (2426, 165280), (4132, 97040), (4852, 82640), (5165, 77632), (6065, 66112), (8264, 48520), (9704, 41320), (10330, 38816), (12130, 33056), (16528, 24260), (19408, 20660)]