280181680

素因数分解:

$2^4\times 5^1\times {\mathrm{347}}^1\times {\mathrm{10093}}^1$

素因数の和:10453

約数の個数: 40

約数和(自身を含む): 653364432

約数和(自身を除く): 373182752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 347, 694, 1388, 1735, 2776, 3470, 5552, 6940, 10093, 13880, 20186, 27760, 40372, 50465, 80744, 100930, 161488, 201860, 403720, 807440, 3502271, 7004542, 14009084, 17511355, 28018168, 35022710, 56036336, 70045420, 140090840, 280181680]

約数ペア:

[(1, 280181680), (2, 140090840), (4, 70045420), (5, 56036336), (8, 35022710), (10, 28018168), (16, 17511355), (20, 14009084), (40, 7004542), (80, 3502271), (347, 807440), (694, 403720), (1388, 201860), (1735, 161488), (2776, 100930), (3470, 80744), (5552, 50465), (6940, 40372), (10093, 27760), (13880, 20186)]