4981280

素因数分解:

$2^5\times 5^1\times {\mathrm{163}}^1\times {\mathrm{191}}^1$

素因数の和:369

約数の個数: 48

約数和(自身を含む): 11902464

約数和(自身を除く): 6921184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 163, 191, 326, 382, 652, 764, 815, 955, 1304, 1528, 1630, 1910, 2608, 3056, 3260, 3820, 5216, 6112, 6520, 7640, 13040, 15280, 26080, 30560, 31133, 62266, 124532, 155665, 249064, 311330, 498128, 622660, 996256, 1245320, 2490640, 4981280]

約数ペア:

[(1, 4981280), (2, 2490640), (4, 1245320), (5, 996256), (8, 622660), (10, 498128), (16, 311330), (20, 249064), (32, 155665), (40, 124532), (80, 62266), (160, 31133), (163, 30560), (191, 26080), (326, 15280), (382, 13040), (652, 7640), (764, 6520), (815, 6112), (955, 5216), (1304, 3820), (1528, 3260), (1630, 3056), (1910, 2608)]