155983040

素因数分解:

$2^6\times 5^1\times {\mathrm{487447}}^1$

素因数の和:487464

約数の個数: 28

約数和(自身を含む): 371435376

約数和(自身を除く): 215452336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 487447, 974894, 1949788, 2437235, 3899576, 4874470, 7799152, 9748940, 15598304, 19497880, 31196608, 38995760, 77991520, 155983040]

約数ペア:

[(1, 155983040), (2, 77991520), (4, 38995760), (5, 31196608), (8, 19497880), (10, 15598304), (16, 9748940), (20, 7799152), (32, 4874470), (40, 3899576), (64, 2437235), (80, 1949788), (160, 974894), (320, 487447)]