51313660

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{691}}^1$

素因数の和:826

約数の個数: 48

約数和(自身を含む): 111605760

約数和(自身を除く): 60292100

約数列:

[1, 2, 4, 5, 10, 20, 47, 79, 94, 158, 188, 235, 316, 395, 470, 691, 790, 940, 1382, 1580, 2764, 3455, 3713, 6910, 7426, 13820, 14852, 18565, 32477, 37130, 54589, 64954, 74260, 109178, 129908, 162385, 218356, 272945, 324770, 545890, 649540, 1091780, 2565683, 5131366, 10262732, 12828415, 25656830, 51313660]

約数ペア:

[(1, 51313660), (2, 25656830), (4, 12828415), (5, 10262732), (10, 5131366), (20, 2565683), (47, 1091780), (79, 649540), (94, 545890), (158, 324770), (188, 272945), (235, 218356), (316, 162385), (395, 129908), (470, 109178), (691, 74260), (790, 64954), (940, 54589), (1382, 37130), (1580, 32477), (2764, 18565), (3455, 14852), (3713, 13820), (6910, 7426)]