28880560

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{7681}}^1$

素因数の和:7741

約数の個数: 40

約数和(自身を含む): 68584896

約数和(自身を除く): 39704336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 7681, 15362, 30724, 38405, 61448, 76810, 122896, 153620, 307240, 361007, 614480, 722014, 1444028, 1805035, 2888056, 3610070, 5776112, 7220140, 14440280, 28880560]

約数ペア:

[(1, 28880560), (2, 14440280), (4, 7220140), (5, 5776112), (8, 3610070), (10, 2888056), (16, 1805035), (20, 1444028), (40, 722014), (47, 614480), (80, 361007), (94, 307240), (188, 153620), (235, 122896), (376, 76810), (470, 61448), (752, 38405), (940, 30724), (1880, 15362), (3760, 7681)]