19810460360

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{12079549}}^1$

素因数の和:12079601

約数の個数: 32

約数和(自身を含む): 45660699000

約数和(自身を除く): 25850238640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 12079549, 24159098, 48318196, 60397745, 96636392, 120795490, 241590980, 483181960, 495261509, 990523018, 1981046036, 2476307545, 3962092072, 4952615090, 9905230180, 19810460360]

約数ペア:

[(1, 19810460360), (2, 9905230180), (4, 4952615090), (5, 3962092072), (8, 2476307545), (10, 1981046036), (20, 990523018), (40, 495261509), (41, 483181960), (82, 241590980), (164, 120795490), (205, 96636392), (328, 60397745), (410, 48318196), (820, 24159098), (1640, 12079549)]