100802420

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{63799}}^1$

素因数の和:63887

約数の個数: 24

約数和(自身を含む): 214368000

約数和(自身を除く): 113565580

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 63799, 127598, 255196, 318995, 637990, 1275980, 5040121, 10080242, 20160484, 25200605, 50401210, 100802420]

約数ペア:

[(1, 100802420), (2, 50401210), (4, 25200605), (5, 20160484), (10, 10080242), (20, 5040121), (79, 1275980), (158, 637990), (316, 318995), (395, 255196), (790, 127598), (1580, 63799)]