28840990

素因数分解:

$2^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{25523}}^1$

素因数の和:25643

約数の個数: 16

約数和(自身を含む): 52375248

約数和(自身を除く): 23534258

約数列:

[1, 2, 5, 10, 113, 226, 565, 1130, 25523, 51046, 127615, 255230, 2884099, 5768198, 14420495, 28840990]

約数ペア:

[(1, 28840990), (2, 14420495), (5, 5768198), (10, 2884099), (113, 255230), (226, 127615), (565, 51046), (1130, 25523)]