81171950

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{52369}}^1$

素因数の和:52412

約数の個数: 24

約数和(自身を含む): 155853120

約数和(自身を除く): 74681170

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 775, 1550, 52369, 104738, 261845, 523690, 1309225, 1623439, 2618450, 3246878, 8117195, 16234390, 40585975, 81171950]

約数ペア:

[(1, 81171950), (2, 40585975), (5, 16234390), (10, 8117195), (25, 3246878), (31, 2618450), (50, 1623439), (62, 1309225), (155, 523690), (310, 261845), (775, 104738), (1550, 52369)]