13165640

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^2\times {\mathrm{149}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 30469500

約数和(自身を除く): 17303860

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 149, 188, 235, 298, 376, 470, 596, 745, 940, 1192, 1490, 1880, 2209, 2980, 4418, 5960, 7003, 8836, 11045, 14006, 17672, 22090, 28012, 35015, 44180, 56024, 70030, 88360, 140060, 280120, 329141, 658282, 1316564, 1645705, 2633128, 3291410, 6582820, 13165640]

約数ペア:

[(1, 13165640), (2, 6582820), (4, 3291410), (5, 2633128), (8, 1645705), (10, 1316564), (20, 658282), (40, 329141), (47, 280120), (94, 140060), (149, 88360), (188, 70030), (235, 56024), (298, 44180), (376, 35015), (470, 28012), (596, 22090), (745, 17672), (940, 14006), (1192, 11045), (1490, 8836), (1880, 7003), (2209, 5960), (2980, 4418)]