82710980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{947}}^1$

素因数の和:1364

約数の個数: 48

約数和(自身を含む): 190161216

約数和(自身を除く): 107450236

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 397, 794, 947, 1588, 1894, 1985, 3788, 3970, 4367, 4735, 7940, 8734, 9470, 10417, 17468, 18940, 20834, 21835, 41668, 43670, 52085, 87340, 104170, 208340, 375959, 751918, 1503836, 1879795, 3759590, 4135549, 7519180, 8271098, 16542196, 20677745, 41355490, 82710980]

約数ペア:

[(1, 82710980), (2, 41355490), (4, 20677745), (5, 16542196), (10, 8271098), (11, 7519180), (20, 4135549), (22, 3759590), (44, 1879795), (55, 1503836), (110, 751918), (220, 375959), (397, 208340), (794, 104170), (947, 87340), (1588, 52085), (1894, 43670), (1985, 41668), (3788, 21835), (3970, 20834), (4367, 18940), (4735, 17468), (7940, 10417), (8734, 9470)]