80968250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{29443}}^1$

素因数の和:29471

約数の個数: 32

約数和(自身を含む): 165357504

約数和(自身を除く): 84389254

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 1375, 2750, 29443, 58886, 147215, 294430, 323873, 647746, 736075, 1472150, 1619365, 3238730, 3680375, 7360750, 8096825, 16193650, 40484125, 80968250]

約数ペア:

[(1, 80968250), (2, 40484125), (5, 16193650), (10, 8096825), (11, 7360750), (22, 3680375), (25, 3238730), (50, 1619365), (55, 1472150), (110, 736075), (125, 647746), (250, 323873), (275, 294430), (550, 147215), (1375, 58886), (2750, 29443)]