98751580

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{62501}}^1$

素因数の和:62589

約数の個数: 24

約数和(自身を含む): 210006720

約数和(自身を除く): 111255140

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 62501, 125002, 250004, 312505, 625010, 1250020, 4937579, 9875158, 19750316, 24687895, 49375790, 98751580]

約数ペア:

[(1, 98751580), (2, 49375790), (4, 24687895), (5, 19750316), (10, 9875158), (20, 4937579), (79, 1250020), (158, 625010), (316, 312505), (395, 250004), (790, 125002), (1580, 62501)]