15554680

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5477}}^1$

素因数の和:5559

約数の個数: 32

約数和(自身を含む): 35497440

約数和(自身を除く): 19942760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 5477, 10954, 21908, 27385, 43816, 54770, 109540, 219080, 388867, 777734, 1555468, 1944335, 3110936, 3888670, 7777340, 15554680]

約数ペア:

[(1, 15554680), (2, 7777340), (4, 3888670), (5, 3110936), (8, 1944335), (10, 1555468), (20, 777734), (40, 388867), (71, 219080), (142, 109540), (284, 54770), (355, 43816), (568, 27385), (710, 21908), (1420, 10954), (2840, 5477)]