69740180

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{85049}}^1$

素因数の和:85099

約数の個数: 24

約数和(自身を含む): 150028200

約数和(自身を除く): 80288020

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 85049, 170098, 340196, 425245, 850490, 1700980, 3487009, 6974018, 13948036, 17435045, 34870090, 69740180]

約数ペア:

[(1, 69740180), (2, 34870090), (4, 17435045), (5, 13948036), (10, 6974018), (20, 3487009), (41, 1700980), (82, 850490), (164, 425245), (205, 340196), (410, 170098), (820, 85049)]