1566338920

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1\times {\mathrm{1979}}^1$

素因数の和:2458

約数の個数: 64

約数和(自身を含む): 3609619200

約数和(自身を除く): 2043280280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 421, 470, 842, 940, 1684, 1880, 1979, 2105, 3368, 3958, 4210, 7916, 8420, 9895, 15832, 16840, 19787, 19790, 39574, 39580, 79148, 79160, 93013, 98935, 158296, 186026, 197870, 372052, 395740, 465065, 744104, 791480, 833159, 930130, 1666318, 1860260, 3332636, 3720520, 4165795, 6665272, 8331590, 16663180, 33326360, 39158473, 78316946, 156633892, 195792365, 313267784, 391584730, 783169460, 1566338920]

約数ペア:

[(1, 1566338920), (2, 783169460), (4, 391584730), (5, 313267784), (8, 195792365), (10, 156633892), (20, 78316946), (40, 39158473), (47, 33326360), (94, 16663180), (188, 8331590), (235, 6665272), (376, 4165795), (421, 3720520), (470, 3332636), (842, 1860260), (940, 1666318), (1684, 930130), (1880, 833159), (1979, 791480), (2105, 744104), (3368, 465065), (3958, 395740), (4210, 372052), (7916, 197870), (8420, 186026), (9895, 158296), (15832, 98935), (16840, 93013), (19787, 79160), (19790, 79148), (39574, 39580)]