78715760

素因数分解:

$2^4\times 5^1\times {\mathrm{607}}^1\times {\mathrm{1621}}^1$

素因数の和:2241

約数の個数: 40

約数和(自身を含む): 183428736

約数和(自身を除く): 104712976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 607, 1214, 1621, 2428, 3035, 3242, 4856, 6070, 6484, 8105, 9712, 12140, 12968, 16210, 24280, 25936, 32420, 48560, 64840, 129680, 983947, 1967894, 3935788, 4919735, 7871576, 9839470, 15743152, 19678940, 39357880, 78715760]

約数ペア:

[(1, 78715760), (2, 39357880), (4, 19678940), (5, 15743152), (8, 9839470), (10, 7871576), (16, 4919735), (20, 3935788), (40, 1967894), (80, 983947), (607, 129680), (1214, 64840), (1621, 48560), (2428, 32420), (3035, 25936), (3242, 24280), (4856, 16210), (6070, 12968), (6484, 12140), (8105, 9712)]