22540240

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2027}}^1$

素因数の和:2179

約数の個数: 40

約数和(自身を含む): 52809120

約数和(自身を除く): 30268880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2027, 2224, 2780, 4054, 5560, 8108, 10135, 11120, 16216, 20270, 32432, 40540, 81080, 162160, 281753, 563506, 1127012, 1408765, 2254024, 2817530, 4508048, 5635060, 11270120, 22540240]

約数ペア:

[(1, 22540240), (2, 11270120), (4, 5635060), (5, 4508048), (8, 2817530), (10, 2254024), (16, 1408765), (20, 1127012), (40, 563506), (80, 281753), (139, 162160), (278, 81080), (556, 40540), (695, 32432), (1112, 20270), (1390, 16216), (2027, 11120), (2224, 10135), (2780, 8108), (4054, 5560)]