4018880

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{661}}^1$

素因数の和:697

約数の個数: 56

約数和(自身を含む): 10088880

約数和(自身を除く): 6070000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 661, 760, 1216, 1322, 1520, 2644, 3040, 3305, 5288, 6080, 6610, 10576, 12559, 13220, 21152, 25118, 26440, 42304, 50236, 52880, 62795, 100472, 105760, 125590, 200944, 211520, 251180, 401888, 502360, 803776, 1004720, 2009440, 4018880]

約数ペア:

[(1, 4018880), (2, 2009440), (4, 1004720), (5, 803776), (8, 502360), (10, 401888), (16, 251180), (19, 211520), (20, 200944), (32, 125590), (38, 105760), (40, 100472), (64, 62795), (76, 52880), (80, 50236), (95, 42304), (152, 26440), (160, 25118), (190, 21152), (304, 13220), (320, 12559), (380, 10576), (608, 6610), (661, 6080), (760, 5288), (1216, 3305), (1322, 3040), (1520, 2644)]