78729950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{121123}}^1$

素因数の和:121148

約数の個数: 24

約数和(自身を含む): 157703448

約数和(自身を除く): 78973498

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 121123, 242246, 605615, 1211230, 1574599, 3028075, 3149198, 6056150, 7872995, 15745990, 39364975, 78729950]

約数ペア:

[(1, 78729950), (2, 39364975), (5, 15745990), (10, 7872995), (13, 6056150), (25, 3149198), (26, 3028075), (50, 1574599), (65, 1211230), (130, 605615), (325, 242246), (650, 121123)]