158842640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{180503}}^1$

素因数の和:180527

約数の個数: 40

約数和(自身を含む): 402884928

約数和(自身を除く): 244042288

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 180503, 361006, 722012, 902515, 1444024, 1805030, 1985533, 2888048, 3610060, 3971066, 7220120, 7942132, 9927665, 14440240, 15884264, 19855330, 31768528, 39710660, 79421320, 158842640]

約数ペア:

[(1, 158842640), (2, 79421320), (4, 39710660), (5, 31768528), (8, 19855330), (10, 15884264), (11, 14440240), (16, 9927665), (20, 7942132), (22, 7220120), (40, 3971066), (44, 3610060), (55, 2888048), (80, 1985533), (88, 1805030), (110, 1444024), (176, 902515), (220, 722012), (440, 361006), (880, 180503)]