7420180

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{9049}}^1$

素因数の和:9099

約数の個数: 24

約数和(自身を含む): 15964200

約数和(自身を除く): 8544020

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 9049, 18098, 36196, 45245, 90490, 180980, 371009, 742018, 1484036, 1855045, 3710090, 7420180]

約数ペア:

[(1, 7420180), (2, 3710090), (4, 1855045), (5, 1484036), (10, 742018), (20, 371009), (41, 180980), (82, 90490), (164, 45245), (205, 36196), (410, 18098), (820, 9049)]