40420700

素因数分解:

$2^2\times 5^2\times {\mathrm{619}}^1\times {\mathrm{653}}^1$

素因数の和:1286

約数の個数: 36

約数和(自身を含む): 87989160

約数和(自身を除く): 47568460

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 619, 653, 1238, 1306, 2476, 2612, 3095, 3265, 6190, 6530, 12380, 13060, 15475, 16325, 30950, 32650, 61900, 65300, 404207, 808414, 1616828, 2021035, 4042070, 8084140, 10105175, 20210350, 40420700]

約数ペア:

[(1, 40420700), (2, 20210350), (4, 10105175), (5, 8084140), (10, 4042070), (20, 2021035), (25, 1616828), (50, 808414), (100, 404207), (619, 65300), (653, 61900), (1238, 32650), (1306, 30950), (2476, 16325), (2612, 15475), (3095, 13060), (3265, 12380), (6190, 6530)]