80874880

素因数分解:

$2^7\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1181}}^1$

素因数の和:1307

約数の個数: 64

約数和(自身を含む): 195313680

約数和(自身を除く): 114438800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 128, 160, 214, 320, 428, 535, 640, 856, 1070, 1181, 1712, 2140, 2362, 3424, 4280, 4724, 5905, 6848, 8560, 9448, 11810, 13696, 17120, 18896, 23620, 34240, 37792, 47240, 68480, 75584, 94480, 126367, 151168, 188960, 252734, 377920, 505468, 631835, 755840, 1010936, 1263670, 2021872, 2527340, 4043744, 5054680, 8087488, 10109360, 16174976, 20218720, 40437440, 80874880]

約数ペア:

[(1, 80874880), (2, 40437440), (4, 20218720), (5, 16174976), (8, 10109360), (10, 8087488), (16, 5054680), (20, 4043744), (32, 2527340), (40, 2021872), (64, 1263670), (80, 1010936), (107, 755840), (128, 631835), (160, 505468), (214, 377920), (320, 252734), (428, 188960), (535, 151168), (640, 126367), (856, 94480), (1070, 75584), (1181, 68480), (1712, 47240), (2140, 37792), (2362, 34240), (3424, 23620), (4280, 18896), (4724, 17120), (5905, 13696), (6848, 11810), (8560, 9448)]