47819440

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{13901}}^1$

素因数の和:13957

約数の個数: 40

約数和(自身を含む): 113773968

約数和(自身を除く): 65954528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 13901, 27802, 55604, 69505, 111208, 139010, 222416, 278020, 556040, 597743, 1112080, 1195486, 2390972, 2988715, 4781944, 5977430, 9563888, 11954860, 23909720, 47819440]

約数ペア:

[(1, 47819440), (2, 23909720), (4, 11954860), (5, 9563888), (8, 5977430), (10, 4781944), (16, 2988715), (20, 2390972), (40, 1195486), (43, 1112080), (80, 597743), (86, 556040), (172, 278020), (215, 222416), (344, 139010), (430, 111208), (688, 69505), (860, 55604), (1720, 27802), (3440, 13901)]