28856720

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{15683}}^1$

素因数の和:15719

約数の個数: 40

約数和(自身を含む): 70013376

約数和(自身を除く): 41156656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 15683, 31366, 62732, 78415, 125464, 156830, 250928, 313660, 360709, 627320, 721418, 1254640, 1442836, 1803545, 2885672, 3607090, 5771344, 7214180, 14428360, 28856720]

約数ペア:

[(1, 28856720), (2, 14428360), (4, 7214180), (5, 5771344), (8, 3607090), (10, 2885672), (16, 1803545), (20, 1442836), (23, 1254640), (40, 721418), (46, 627320), (80, 360709), (92, 313660), (115, 250928), (184, 156830), (230, 125464), (368, 78415), (460, 62732), (920, 31366), (1840, 15683)]