11378920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{40639}}^1$

素因数の和:40657

約数の個数: 32

約数和(自身を含む): 29260800

約数和(自身を除く): 17881880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 40639, 81278, 162556, 203195, 284473, 325112, 406390, 568946, 812780, 1137892, 1422365, 1625560, 2275784, 2844730, 5689460, 11378920]

約数ペア:

[(1, 11378920), (2, 5689460), (4, 2844730), (5, 2275784), (7, 1625560), (8, 1422365), (10, 1137892), (14, 812780), (20, 568946), (28, 406390), (35, 325112), (40, 284473), (56, 203195), (70, 162556), (140, 81278), (280, 40639)]