78016520

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{8093}}^1$

素因数の和:8345

約数の個数: 32

約数和(自身を含む): 176287320

約数和(自身を除く): 98270800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1928, 2410, 4820, 8093, 9640, 16186, 32372, 40465, 64744, 80930, 161860, 323720, 1950413, 3900826, 7801652, 9752065, 15603304, 19504130, 39008260, 78016520]

約数ペア:

[(1, 78016520), (2, 39008260), (4, 19504130), (5, 15603304), (8, 9752065), (10, 7801652), (20, 3900826), (40, 1950413), (241, 323720), (482, 161860), (964, 80930), (1205, 64744), (1928, 40465), (2410, 32372), (4820, 16186), (8093, 9640)]