90368120

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{17789}}^1$

素因数の和:17927

約数の個数: 32

約数和(自身を含む): 204940800

約数和(自身を除く): 114572680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 17789, 35578, 71156, 88945, 142312, 177890, 355780, 711560, 2259203, 4518406, 9036812, 11296015, 18073624, 22592030, 45184060, 90368120]

約数ペア:

[(1, 90368120), (2, 45184060), (4, 22592030), (5, 18073624), (8, 11296015), (10, 9036812), (20, 4518406), (40, 2259203), (127, 711560), (254, 355780), (508, 177890), (635, 142312), (1016, 88945), (1270, 71156), (2540, 35578), (5080, 17789)]