78571040

素因数分解:

$2^5\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1579}}^1$

素因数の和:1905

約数の個数: 48

約数和(自身を含む): 186338880

約数和(自身を除く): 107767840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 311, 622, 1244, 1555, 1579, 2488, 3110, 3158, 4976, 6220, 6316, 7895, 9952, 12440, 12632, 15790, 24880, 25264, 31580, 49760, 50528, 63160, 126320, 252640, 491069, 982138, 1964276, 2455345, 3928552, 4910690, 7857104, 9821380, 15714208, 19642760, 39285520, 78571040]

約数ペア:

[(1, 78571040), (2, 39285520), (4, 19642760), (5, 15714208), (8, 9821380), (10, 7857104), (16, 4910690), (20, 3928552), (32, 2455345), (40, 1964276), (80, 982138), (160, 491069), (311, 252640), (622, 126320), (1244, 63160), (1555, 50528), (1579, 49760), (2488, 31580), (3110, 25264), (3158, 24880), (4976, 15790), (6220, 12632), (6316, 12440), (7895, 9952)]