387280

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:163

約数の個数: 40

約数和(自身を含む): 928512

約数和(自身を除く): 541232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 103, 188, 206, 235, 376, 412, 470, 515, 752, 824, 940, 1030, 1648, 1880, 2060, 3760, 4120, 4841, 8240, 9682, 19364, 24205, 38728, 48410, 77456, 96820, 193640, 387280]

約数ペア:

[(1, 387280), (2, 193640), (4, 96820), (5, 77456), (8, 48410), (10, 38728), (16, 24205), (20, 19364), (40, 9682), (47, 8240), (80, 4841), (94, 4120), (103, 3760), (188, 2060), (206, 1880), (235, 1648), (376, 1030), (412, 940), (470, 824), (515, 752)]