81822880

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{12473}}^1$

素因数の和:12529

約数の個数: 48

約数和(自身を含む): 198037224

約数和(自身を除く): 116214344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 12473, 24946, 49892, 62365, 99784, 124730, 199568, 249460, 399136, 498920, 511393, 997840, 1022786, 1995680, 2045572, 2556965, 4091144, 5113930, 8182288, 10227860, 16364576, 20455720, 40911440, 81822880]

約数ペア:

[(1, 81822880), (2, 40911440), (4, 20455720), (5, 16364576), (8, 10227860), (10, 8182288), (16, 5113930), (20, 4091144), (32, 2556965), (40, 2045572), (41, 1995680), (80, 1022786), (82, 997840), (160, 511393), (164, 498920), (205, 399136), (328, 249460), (410, 199568), (656, 124730), (820, 99784), (1312, 62365), (1640, 49892), (3280, 24946), (6560, 12473)]