1260888940

素因数分解:

$2^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{63617}}^1$

素因数の和:64617

約数の個数: 24

約数和(自身を含む): 2650580352

約数和(自身を除く): 1389691412

約数列:

[1, 2, 4, 5, 10, 20, 991, 1982, 3964, 4955, 9910, 19820, 63617, 127234, 254468, 318085, 636170, 1272340, 63044447, 126088894, 252177788, 315222235, 630444470, 1260888940]

約数ペア:

[(1, 1260888940), (2, 630444470), (4, 315222235), (5, 252177788), (10, 126088894), (20, 63044447), (991, 1272340), (1982, 636170), (3964, 318085), (4955, 254468), (9910, 127234), (19820, 63617)]