85230920

素因数分解:

$2^3\times 5^1\times {\mathrm{1321}}^1\times {\mathrm{1613}}^1$

素因数の和:2945

約数の個数: 32

約数和(自身を含む): 192033720

約数和(自身を除く): 106802800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1321, 1613, 2642, 3226, 5284, 6452, 6605, 8065, 10568, 12904, 13210, 16130, 26420, 32260, 52840, 64520, 2130773, 4261546, 8523092, 10653865, 17046184, 21307730, 42615460, 85230920]

約数ペア:

[(1, 85230920), (2, 42615460), (4, 21307730), (5, 17046184), (8, 10653865), (10, 8523092), (20, 4261546), (40, 2130773), (1321, 64520), (1613, 52840), (2642, 32260), (3226, 26420), (5284, 16130), (6452, 13210), (6605, 12904), (8065, 10568)]