28576720

素因数分解:

$2^4\times 5^1\times {\mathrm{523}}^1\times {\mathrm{683}}^1$

素因数の和:1219

約数の個数: 40

約数和(自身を含む): 66665376

約数和(自身を除く): 38088656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 523, 683, 1046, 1366, 2092, 2615, 2732, 3415, 4184, 5230, 5464, 6830, 8368, 10460, 10928, 13660, 20920, 27320, 41840, 54640, 357209, 714418, 1428836, 1786045, 2857672, 3572090, 5715344, 7144180, 14288360, 28576720]

約数ペア:

[(1, 28576720), (2, 14288360), (4, 7144180), (5, 5715344), (8, 3572090), (10, 2857672), (16, 1786045), (20, 1428836), (40, 714418), (80, 357209), (523, 54640), (683, 41840), (1046, 27320), (1366, 20920), (2092, 13660), (2615, 10928), (2732, 10460), (3415, 8368), (4184, 6830), (5230, 5464)]