202059640

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{38561}}^1$

素因数の和:38703

約数の個数: 32

約数和(自身を含む): 458116560

約数和(自身を除く): 256056920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 38561, 77122, 154244, 192805, 308488, 385610, 771220, 1542440, 5051491, 10102982, 20205964, 25257455, 40411928, 50514910, 101029820, 202059640]

約数ペア:

[(1, 202059640), (2, 101029820), (4, 50514910), (5, 40411928), (8, 25257455), (10, 20205964), (20, 10102982), (40, 5051491), (131, 1542440), (262, 771220), (524, 385610), (655, 308488), (1048, 192805), (1310, 154244), (2620, 77122), (5240, 38561)]