25769320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{827}}^1$

素因数の和:898

約数の個数: 64

約数和(自身を含む): 62596800

約数和(自身を除く): 36827480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 82, 95, 152, 164, 190, 205, 328, 380, 410, 760, 779, 820, 827, 1558, 1640, 1654, 3116, 3308, 3895, 4135, 6232, 6616, 7790, 8270, 15580, 15713, 16540, 31160, 31426, 33080, 33907, 62852, 67814, 78565, 125704, 135628, 157130, 169535, 271256, 314260, 339070, 628520, 644233, 678140, 1288466, 1356280, 2576932, 3221165, 5153864, 6442330, 12884660, 25769320]

約数ペア:

[(1, 25769320), (2, 12884660), (4, 6442330), (5, 5153864), (8, 3221165), (10, 2576932), (19, 1356280), (20, 1288466), (38, 678140), (40, 644233), (41, 628520), (76, 339070), (82, 314260), (95, 271256), (152, 169535), (164, 157130), (190, 135628), (205, 125704), (328, 78565), (380, 67814), (410, 62852), (760, 33907), (779, 33080), (820, 31426), (827, 31160), (1558, 16540), (1640, 15713), (1654, 15580), (3116, 8270), (3308, 7790), (3895, 6616), (4135, 6232)]