7381640440

素因数分解:

$2^3\times 5^1\times {\mathrm{5347}}^1\times {\mathrm{34513}}^1$

素因数の和:39871

約数の個数: 32

約数和(自身を含む): 16612278480

約数和(自身を除く): 9230638040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5347, 10694, 21388, 26735, 34513, 42776, 53470, 69026, 106940, 138052, 172565, 213880, 276104, 345130, 690260, 1380520, 184541011, 369082022, 738164044, 922705055, 1476328088, 1845410110, 3690820220, 7381640440]

約数ペア:

[(1, 7381640440), (2, 3690820220), (4, 1845410110), (5, 1476328088), (8, 922705055), (10, 738164044), (20, 369082022), (40, 184541011), (5347, 1380520), (10694, 690260), (21388, 345130), (26735, 276104), (34513, 213880), (42776, 172565), (53470, 138052), (69026, 106940)]