201790840

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{15241}}^1$

素因数の和:15583

約数の個数: 32

約数和(自身を含む): 455430960

約数和(自身を除く): 253640120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 2648, 3310, 6620, 13240, 15241, 30482, 60964, 76205, 121928, 152410, 304820, 609640, 5044771, 10089542, 20179084, 25223855, 40358168, 50447710, 100895420, 201790840]

約数ペア:

[(1, 201790840), (2, 100895420), (4, 50447710), (5, 40358168), (8, 25223855), (10, 20179084), (20, 10089542), (40, 5044771), (331, 609640), (662, 304820), (1324, 152410), (1655, 121928), (2648, 76205), (3310, 60964), (6620, 30482), (13240, 15241)]