42723280

素因数分解:

$2^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{2531}}^1$

素因数の和:2755

約数の個数: 40

約数和(自身を含む): 99841824

約数和(自身を除く): 57118544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 422, 844, 1055, 1688, 2110, 2531, 3376, 4220, 5062, 8440, 10124, 12655, 16880, 20248, 25310, 40496, 50620, 101240, 202480, 534041, 1068082, 2136164, 2670205, 4272328, 5340410, 8544656, 10680820, 21361640, 42723280]

約数ペア:

[(1, 42723280), (2, 21361640), (4, 10680820), (5, 8544656), (8, 5340410), (10, 4272328), (16, 2670205), (20, 2136164), (40, 1068082), (80, 534041), (211, 202480), (422, 101240), (844, 50620), (1055, 40496), (1688, 25310), (2110, 20248), (2531, 16880), (3376, 12655), (4220, 10124), (5062, 8440)]