8131750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{2957}}^1$

素因数の和:2985

約数の個数: 32

約数和(自身を含む): 16612128

約数和(自身を除く): 8480378

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 1375, 2750, 2957, 5914, 14785, 29570, 32527, 65054, 73925, 147850, 162635, 325270, 369625, 739250, 813175, 1626350, 4065875, 8131750]

約数ペア:

[(1, 8131750), (2, 4065875), (5, 1626350), (10, 813175), (11, 739250), (22, 369625), (25, 325270), (50, 162635), (55, 147850), (110, 73925), (125, 65054), (250, 32527), (275, 29570), (550, 14785), (1375, 5914), (2750, 2957)]