4408280

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{577}}^1$

素因数の和:779

約数の個数: 32

約数和(自身を含む): 9987840

約数和(自身を除く): 5579560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 577, 764, 955, 1154, 1528, 1910, 2308, 2885, 3820, 4616, 5770, 7640, 11540, 23080, 110207, 220414, 440828, 551035, 881656, 1102070, 2204140, 4408280]

約数ペア:

[(1, 4408280), (2, 2204140), (4, 1102070), (5, 881656), (8, 551035), (10, 440828), (20, 220414), (40, 110207), (191, 23080), (382, 11540), (577, 7640), (764, 5770), (955, 4616), (1154, 3820), (1528, 2885), (1910, 2308)]