7879040

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{947}}^1$

素因数の和:979

約数の個数: 64

約数和(自身を含む): 20306160

約数和(自身を除く): 12427120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 947, 1040, 1664, 1894, 2080, 3788, 4160, 4735, 7576, 8320, 9470, 12311, 15152, 18940, 24622, 30304, 37880, 49244, 60608, 61555, 75760, 98488, 121216, 123110, 151520, 196976, 246220, 303040, 393952, 492440, 606080, 787904, 984880, 1575808, 1969760, 3939520, 7879040]

約数ペア:

[(1, 7879040), (2, 3939520), (4, 1969760), (5, 1575808), (8, 984880), (10, 787904), (13, 606080), (16, 492440), (20, 393952), (26, 303040), (32, 246220), (40, 196976), (52, 151520), (64, 123110), (65, 121216), (80, 98488), (104, 75760), (128, 61555), (130, 60608), (160, 49244), (208, 37880), (260, 30304), (320, 24622), (416, 18940), (520, 15152), (640, 12311), (832, 9470), (947, 8320), (1040, 7576), (1664, 4735), (1894, 4160), (2080, 3788)]