1247360

素因数分解:

$2^7\times 5^1\times {\mathrm{1949}}^1$

素因数の和:1968

約数の個数: 32

約数和(自身を含む): 2983500

約数和(自身を除く): 1736140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 1949, 3898, 7796, 9745, 15592, 19490, 31184, 38980, 62368, 77960, 124736, 155920, 249472, 311840, 623680, 1247360]

約数ペア:

[(1, 1247360), (2, 623680), (4, 311840), (5, 249472), (8, 155920), (10, 124736), (16, 77960), (20, 62368), (32, 38980), (40, 31184), (64, 19490), (80, 15592), (128, 9745), (160, 7796), (320, 3898), (640, 1949)]