127728680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103007}}^1$

素因数の和:103049

約数の個数: 32

約数和(自身を含む): 296663040

約数和(自身を除く): 168934360

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 103007, 206014, 412028, 515035, 824056, 1030070, 2060140, 3193217, 4120280, 6386434, 12772868, 15966085, 25545736, 31932170, 63864340, 127728680]

約数ペア:

[(1, 127728680), (2, 63864340), (4, 31932170), (5, 25545736), (8, 15966085), (10, 12772868), (20, 6386434), (31, 4120280), (40, 3193217), (62, 2060140), (124, 1030070), (155, 824056), (248, 515035), (310, 412028), (620, 206014), (1240, 103007)]