74896720

素因数分解:

$2^4\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1447}}^1$

素因数の和:2107

約数の個数: 40

約数和(自身を含む): 174524544

約数和(自身を除く): 99627824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 647, 1294, 1447, 2588, 2894, 3235, 5176, 5788, 6470, 7235, 10352, 11576, 12940, 14470, 23152, 25880, 28940, 51760, 57880, 115760, 936209, 1872418, 3744836, 4681045, 7489672, 9362090, 14979344, 18724180, 37448360, 74896720]

約数ペア:

[(1, 74896720), (2, 37448360), (4, 18724180), (5, 14979344), (8, 9362090), (10, 7489672), (16, 4681045), (20, 3744836), (40, 1872418), (80, 936209), (647, 115760), (1294, 57880), (1447, 51760), (2588, 28940), (2894, 25880), (3235, 23152), (5176, 14470), (5788, 12940), (6470, 11576), (7235, 10352)]