42421900

素因数分解:

$2^2\times 5^2\times {\mathrm{263}}^1\times {\mathrm{1613}}^1$

素因数の和:1890

約数の個数: 36

約数和(自身を含む): 92462832

約数和(自身を除く): 50040932

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 263, 526, 1052, 1315, 1613, 2630, 3226, 5260, 6452, 6575, 8065, 13150, 16130, 26300, 32260, 40325, 80650, 161300, 424219, 848438, 1696876, 2121095, 4242190, 8484380, 10605475, 21210950, 42421900]

約数ペア:

[(1, 42421900), (2, 21210950), (4, 10605475), (5, 8484380), (10, 4242190), (20, 2121095), (25, 1696876), (50, 848438), (100, 424219), (263, 161300), (526, 80650), (1052, 40325), (1315, 32260), (1613, 26300), (2630, 16130), (3226, 13150), (5260, 8065), (6452, 6575)]