128564680

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{44029}}^1$

素因数の和:44113

約数の個数: 32

約数和(自身を含む): 293239800

約数和(自身を除く): 164675120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 44029, 88058, 176116, 220145, 352232, 440290, 880580, 1761160, 3214117, 6428234, 12856468, 16070585, 25712936, 32141170, 64282340, 128564680]

約数ペア:

[(1, 128564680), (2, 64282340), (4, 32141170), (5, 25712936), (8, 16070585), (10, 12856468), (20, 6428234), (40, 3214117), (73, 1761160), (146, 880580), (292, 440290), (365, 352232), (584, 220145), (730, 176116), (1460, 88058), (2920, 44029)]