100486420

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{63599}}^1$

素因数の和:63687

約数の個数: 24

約数和(自身を含む): 213696000

約数和(自身を除く): 113209580

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 63599, 127198, 254396, 317995, 635990, 1271980, 5024321, 10048642, 20097284, 25121605, 50243210, 100486420]

約数ペア:

[(1, 100486420), (2, 50243210), (4, 25121605), (5, 20097284), (10, 10048642), (20, 5024321), (79, 1271980), (158, 635990), (316, 317995), (395, 254396), (790, 127198), (1580, 63599)]