78624880

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{23971}}^1$

素因数の和:24025

約数の個数: 40

約数和(自身を含む): 187269264

約数和(自身を除く): 108644384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 23971, 47942, 95884, 119855, 191768, 239710, 383536, 479420, 958840, 982811, 1917680, 1965622, 3931244, 4914055, 7862488, 9828110, 15724976, 19656220, 39312440, 78624880]

約数ペア:

[(1, 78624880), (2, 39312440), (4, 19656220), (5, 15724976), (8, 9828110), (10, 7862488), (16, 4914055), (20, 3931244), (40, 1965622), (41, 1917680), (80, 982811), (82, 958840), (164, 479420), (205, 383536), (328, 239710), (410, 191768), (656, 119855), (820, 95884), (1640, 47942), (3280, 23971)]