25900880

素因数分解:

$2^4\times 5^1\times {\mathrm{569}}^2$

素因数の和:1151

約数の個数: 30

約数和(自身を含む): 60325566

約数和(自身を除く): 34424686

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 569, 1138, 2276, 2845, 4552, 5690, 9104, 11380, 22760, 45520, 323761, 647522, 1295044, 1618805, 2590088, 3237610, 5180176, 6475220, 12950440, 25900880]

約数ペア:

[(1, 25900880), (2, 12950440), (4, 6475220), (5, 5180176), (8, 3237610), (10, 2590088), (16, 1618805), (20, 1295044), (40, 647522), (80, 323761), (569, 45520), (1138, 22760), (2276, 11380), (2845, 9104), (4552, 5690)]