22810000

素因数分解:

$2^4\times 5^4\times {\mathrm{2281}}^1$

素因数の和:2309

約数の個数: 50

約数和(自身を含む): 55249502

約数和(自身を除く): 32439502

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2281, 2500, 4562, 5000, 9124, 10000, 11405, 18248, 22810, 36496, 45620, 57025, 91240, 114050, 182480, 228100, 285125, 456200, 570250, 912400, 1140500, 1425625, 2281000, 2851250, 4562000, 5702500, 11405000, 22810000]

約数ペア:

[(1, 22810000), (2, 11405000), (4, 5702500), (5, 4562000), (8, 2851250), (10, 2281000), (16, 1425625), (20, 1140500), (25, 912400), (40, 570250), (50, 456200), (80, 285125), (100, 228100), (125, 182480), (200, 114050), (250, 91240), (400, 57025), (500, 45620), (625, 36496), (1000, 22810), (1250, 18248), (2000, 11405), (2281, 10000), (2500, 9124), (4562, 5000)]