39945700

素因数分解:

$2^2\times 5^2\times {\mathrm{173}}^1\times {\mathrm{2309}}^1$

素因数の和:2496

約数の個数: 36

約数和(自身を含む): 87220980

約数和(自身を除く): 47275280

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 173, 346, 692, 865, 1730, 2309, 3460, 4325, 4618, 8650, 9236, 11545, 17300, 23090, 46180, 57725, 115450, 230900, 399457, 798914, 1597828, 1997285, 3994570, 7989140, 9986425, 19972850, 39945700]

約数ペア:

[(1, 39945700), (2, 19972850), (4, 9986425), (5, 7989140), (10, 3994570), (20, 1997285), (25, 1597828), (50, 798914), (100, 399457), (173, 230900), (346, 115450), (692, 57725), (865, 46180), (1730, 23090), (2309, 17300), (3460, 11545), (4325, 9236), (4618, 8650)]