201618280

素因数分解:

$2^3\times 5^1\times {\mathrm{1453}}^1\times {\mathrm{3469}}^1$

素因数の和:4933

約数の個数: 32

約数和(自身を含む): 454084200

約数和(自身を除く): 252465920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1453, 2906, 3469, 5812, 6938, 7265, 11624, 13876, 14530, 17345, 27752, 29060, 34690, 58120, 69380, 138760, 5040457, 10080914, 20161828, 25202285, 40323656, 50404570, 100809140, 201618280]

約数ペア:

[(1, 201618280), (2, 100809140), (4, 50404570), (5, 40323656), (8, 25202285), (10, 20161828), (20, 10080914), (40, 5040457), (1453, 138760), (2906, 69380), (3469, 58120), (5812, 34690), (6938, 29060), (7265, 27752), (11624, 17345), (13876, 14530)]