25124120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1693}}^1$

素因数の和:1764

約数の個数: 64

約数和(自身を含む): 65862720

約数和(自身を除く): 40738600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 280, 371, 424, 530, 742, 1060, 1484, 1693, 1855, 2120, 2968, 3386, 3710, 6772, 7420, 8465, 11851, 13544, 14840, 16930, 23702, 33860, 47404, 59255, 67720, 89729, 94808, 118510, 179458, 237020, 358916, 448645, 474040, 628103, 717832, 897290, 1256206, 1794580, 2512412, 3140515, 3589160, 5024824, 6281030, 12562060, 25124120]

約数ペア:

[(1, 25124120), (2, 12562060), (4, 6281030), (5, 5024824), (7, 3589160), (8, 3140515), (10, 2512412), (14, 1794580), (20, 1256206), (28, 897290), (35, 717832), (40, 628103), (53, 474040), (56, 448645), (70, 358916), (106, 237020), (140, 179458), (212, 118510), (265, 94808), (280, 89729), (371, 67720), (424, 59255), (530, 47404), (742, 33860), (1060, 23702), (1484, 16930), (1693, 14840), (1855, 13544), (2120, 11851), (2968, 8465), (3386, 7420), (3710, 6772)]