13872520

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^2\times {\mathrm{157}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 32094540

約数和(自身を除く): 18222020

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 157, 188, 235, 314, 376, 470, 628, 785, 940, 1256, 1570, 1880, 2209, 3140, 4418, 6280, 7379, 8836, 11045, 14758, 17672, 22090, 29516, 36895, 44180, 59032, 73790, 88360, 147580, 295160, 346813, 693626, 1387252, 1734065, 2774504, 3468130, 6936260, 13872520]

約数ペア:

[(1, 13872520), (2, 6936260), (4, 3468130), (5, 2774504), (8, 1734065), (10, 1387252), (20, 693626), (40, 346813), (47, 295160), (94, 147580), (157, 88360), (188, 73790), (235, 59032), (314, 44180), (376, 36895), (470, 29516), (628, 22090), (785, 17672), (940, 14758), (1256, 11045), (1570, 8836), (1880, 7379), (2209, 6280), (3140, 4418)]