28350680

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{293}}^1$

素因数の和:404

約数の個数: 64

約数和(自身を含む): 66679200

約数和(自身を除く): 38328520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 59, 82, 118, 164, 205, 236, 293, 295, 328, 410, 472, 586, 590, 820, 1172, 1180, 1465, 1640, 2344, 2360, 2419, 2930, 4838, 5860, 9676, 11720, 12013, 12095, 17287, 19352, 24026, 24190, 34574, 48052, 48380, 60065, 69148, 86435, 96104, 96760, 120130, 138296, 172870, 240260, 345740, 480520, 691480, 708767, 1417534, 2835068, 3543835, 5670136, 7087670, 14175340, 28350680]

約数ペア:

[(1, 28350680), (2, 14175340), (4, 7087670), (5, 5670136), (8, 3543835), (10, 2835068), (20, 1417534), (40, 708767), (41, 691480), (59, 480520), (82, 345740), (118, 240260), (164, 172870), (205, 138296), (236, 120130), (293, 96760), (295, 96104), (328, 86435), (410, 69148), (472, 60065), (586, 48380), (590, 48052), (820, 34574), (1172, 24190), (1180, 24026), (1465, 19352), (1640, 17287), (2344, 12095), (2360, 12013), (2419, 11720), (2930, 9676), (4838, 5860)]