100520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{359}}^1$

素因数の和:377

約数の個数: 32

約数和(自身を含む): 259200

約数和(自身を除く): 158680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 359, 718, 1436, 1795, 2513, 2872, 3590, 5026, 7180, 10052, 12565, 14360, 20104, 25130, 50260, 100520]

約数ペア:

[(1, 100520), (2, 50260), (4, 25130), (5, 20104), (7, 14360), (8, 12565), (10, 10052), (14, 7180), (20, 5026), (28, 3590), (35, 2872), (40, 2513), (56, 1795), (70, 1436), (140, 718), (280, 359)]