81363920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{92459}}^1$

素因数の和:92483

約数の個数: 40

約数和(自身を含む): 206370720

約数和(自身を除く): 125006800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 92459, 184918, 369836, 462295, 739672, 924590, 1017049, 1479344, 1849180, 2034098, 3698360, 4068196, 5085245, 7396720, 8136392, 10170490, 16272784, 20340980, 40681960, 81363920]

約数ペア:

[(1, 81363920), (2, 40681960), (4, 20340980), (5, 16272784), (8, 10170490), (10, 8136392), (11, 7396720), (16, 5085245), (20, 4068196), (22, 3698360), (40, 2034098), (44, 1849180), (55, 1479344), (80, 1017049), (88, 924590), (110, 739672), (176, 462295), (220, 369836), (440, 184918), (880, 92459)]