203025440

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{30949}}^1$

素因数の和:31005

約数の個数: 48

約数和(自身を含む): 491362200

約数和(自身を除く): 288336760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 30949, 61898, 123796, 154745, 247592, 309490, 495184, 618980, 990368, 1237960, 1268909, 2475920, 2537818, 4951840, 5075636, 6344545, 10151272, 12689090, 20302544, 25378180, 40605088, 50756360, 101512720, 203025440]

約数ペア:

[(1, 203025440), (2, 101512720), (4, 50756360), (5, 40605088), (8, 25378180), (10, 20302544), (16, 12689090), (20, 10151272), (32, 6344545), (40, 5075636), (41, 4951840), (80, 2537818), (82, 2475920), (160, 1268909), (164, 1237960), (205, 990368), (328, 618980), (410, 495184), (656, 309490), (820, 247592), (1312, 154745), (1640, 123796), (3280, 61898), (6560, 30949)]