80558375

素因数分解:

$5^3\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:428

約数の個数: 32

約数和(自身を含む): 105805440

約数和(自身を除く): 25247065

約数列:

[1, 5, 25, 29, 71, 125, 145, 313, 355, 725, 1565, 1775, 2059, 3625, 7825, 8875, 9077, 10295, 22223, 39125, 45385, 51475, 111115, 226925, 257375, 555575, 644467, 1134625, 2777875, 3222335, 16111675, 80558375]

約数ペア:

[(1, 80558375), (5, 16111675), (25, 3222335), (29, 2777875), (71, 1134625), (125, 644467), (145, 555575), (313, 257375), (355, 226925), (725, 111115), (1565, 51475), (1775, 45385), (2059, 39125), (3625, 22223), (7825, 10295), (8875, 9077)]