3890960

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2861}}^1$

素因数の和:2891

約数の個数: 40

約数和(自身を含む): 9581976

約数和(自身を除く): 5691016

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 2861, 5722, 11444, 14305, 22888, 28610, 45776, 48637, 57220, 97274, 114440, 194548, 228880, 243185, 389096, 486370, 778192, 972740, 1945480, 3890960]

約数ペア:

[(1, 3890960), (2, 1945480), (4, 972740), (5, 778192), (8, 486370), (10, 389096), (16, 243185), (17, 228880), (20, 194548), (34, 114440), (40, 97274), (68, 57220), (80, 48637), (85, 45776), (136, 28610), (170, 22888), (272, 14305), (340, 11444), (680, 5722), (1360, 2861)]