156669880

素因数分解:

$2^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{7489}}^1$

素因数の和:8023

約数の個数: 32

約数和(自身を含む): 353228400

約数和(自身を除く): 196558520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523, 1046, 2092, 2615, 4184, 5230, 7489, 10460, 14978, 20920, 29956, 37445, 59912, 74890, 149780, 299560, 3916747, 7833494, 15666988, 19583735, 31333976, 39167470, 78334940, 156669880]

約数ペア:

[(1, 156669880), (2, 78334940), (4, 39167470), (5, 31333976), (8, 19583735), (10, 15666988), (20, 7833494), (40, 3916747), (523, 299560), (1046, 149780), (2092, 74890), (2615, 59912), (4184, 37445), (5230, 29956), (7489, 20920), (10460, 14978)]