12489680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{22303}}^1$

素因数の和:22323

約数の個数: 40

約数和(自身を含む): 33188352

約数和(自身を除く): 20698672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 22303, 44606, 89212, 111515, 156121, 178424, 223030, 312242, 356848, 446060, 624484, 780605, 892120, 1248968, 1561210, 1784240, 2497936, 3122420, 6244840, 12489680]

約数ペア:

[(1, 12489680), (2, 6244840), (4, 3122420), (5, 2497936), (7, 1784240), (8, 1561210), (10, 1248968), (14, 892120), (16, 780605), (20, 624484), (28, 446060), (35, 356848), (40, 312242), (56, 223030), (70, 178424), (80, 156121), (112, 111515), (140, 89212), (280, 44606), (560, 22303)]