89905990

素因数分解:

$2^1\times 5^1\times {\mathrm{2539}}^1\times {\mathrm{3541}}^1$

素因数の和:6087

約数の個数: 16

約数和(自身を含む): 161940240

約数和(自身を除く): 72034250

約数列:

[1, 2, 5, 10, 2539, 3541, 5078, 7082, 12695, 17705, 25390, 35410, 8990599, 17981198, 44952995, 89905990]

約数ペア:

[(1, 89905990), (2, 44952995), (5, 17981198), (10, 8990599), (2539, 35410), (3541, 25390), (5078, 17705), (7082, 12695)]