87929780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{258617}}^1$

素因数の和:258643

約数の個数: 24

約数和(自身を含む): 195515208

約数和(自身を除く): 107585428

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 258617, 517234, 1034468, 1293085, 2586170, 4396489, 5172340, 8792978, 17585956, 21982445, 43964890, 87929780]

約数ペア:

[(1, 87929780), (2, 43964890), (4, 21982445), (5, 17585956), (10, 8792978), (17, 5172340), (20, 4396489), (34, 2586170), (68, 1293085), (85, 1034468), (170, 517234), (340, 258617)]