128596340

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{26903}}^1$

素因数の和:27151

約数の個数: 24

約数和(自身を含む): 271192320

約数和(自身を除く): 142595980

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4780, 26903, 53806, 107612, 134515, 269030, 538060, 6429817, 12859634, 25719268, 32149085, 64298170, 128596340]

約数ペア:

[(1, 128596340), (2, 64298170), (4, 32149085), (5, 25719268), (10, 12859634), (20, 6429817), (239, 538060), (478, 269030), (956, 134515), (1195, 107612), (2390, 53806), (4780, 26903)]