28615420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{84163}}^1$

素因数の和:84189

約数の個数: 24

約数和(自身を含む): 63627984

約数和(自身を除く): 35012564

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 84163, 168326, 336652, 420815, 841630, 1430771, 1683260, 2861542, 5723084, 7153855, 14307710, 28615420]

約数ペア:

[(1, 28615420), (2, 14307710), (4, 7153855), (5, 5723084), (10, 2861542), (17, 1683260), (20, 1430771), (34, 841630), (68, 420815), (85, 336652), (170, 168326), (340, 84163)]