78130480

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{18427}}^1$

素因数の和:18493

約数の個数: 40

約数和(自身を含む): 185090832

約数和(自身を除く): 106960352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 18427, 36854, 73708, 92135, 147416, 184270, 294832, 368540, 737080, 976631, 1474160, 1953262, 3906524, 4883155, 7813048, 9766310, 15626096, 19532620, 39065240, 78130480]

約数ペア:

[(1, 78130480), (2, 39065240), (4, 19532620), (5, 15626096), (8, 9766310), (10, 7813048), (16, 4883155), (20, 3906524), (40, 1953262), (53, 1474160), (80, 976631), (106, 737080), (212, 368540), (265, 294832), (424, 184270), (530, 147416), (848, 92135), (1060, 73708), (2120, 36854), (4240, 18427)]