82181960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{293507}}^1$

素因数の和:293525

約数の個数: 32

約数和(自身を含む): 211325760

約数和(自身を除く): 129143800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 293507, 587014, 1174028, 1467535, 2054549, 2348056, 2935070, 4109098, 5870140, 8218196, 10272745, 11740280, 16436392, 20545490, 41090980, 82181960]

約数ペア:

[(1, 82181960), (2, 41090980), (4, 20545490), (5, 16436392), (7, 11740280), (8, 10272745), (10, 8218196), (14, 5870140), (20, 4109098), (28, 2935070), (35, 2348056), (40, 2054549), (56, 1467535), (70, 1174028), (140, 587014), (280, 293507)]