18107120

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{2003}}^1$

素因数の和:2129

約数の個数: 40

約数和(自身を含む): 42492816

約数和(自身を除く): 24385696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2003, 2260, 4006, 4520, 8012, 9040, 10015, 16024, 20030, 32048, 40060, 80120, 160240, 226339, 452678, 905356, 1131695, 1810712, 2263390, 3621424, 4526780, 9053560, 18107120]

約数ペア:

[(1, 18107120), (2, 9053560), (4, 4526780), (5, 3621424), (8, 2263390), (10, 1810712), (16, 1131695), (20, 905356), (40, 452678), (80, 226339), (113, 160240), (226, 80120), (452, 40060), (565, 32048), (904, 20030), (1130, 16024), (1808, 10015), (2003, 9040), (2260, 8012), (4006, 4520)]