30291440

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5333}}^1$

素因数の和:5417

約数の個数: 40

約数和(自身を含む): 71432928

約数和(自身を除く): 41141488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5333, 5680, 10666, 21332, 26665, 42664, 53330, 85328, 106660, 213320, 378643, 426640, 757286, 1514572, 1893215, 3029144, 3786430, 6058288, 7572860, 15145720, 30291440]

約数ペア:

[(1, 30291440), (2, 15145720), (4, 7572860), (5, 6058288), (8, 3786430), (10, 3029144), (16, 1893215), (20, 1514572), (40, 757286), (71, 426640), (80, 378643), (142, 213320), (284, 106660), (355, 85328), (568, 53330), (710, 42664), (1136, 26665), (1420, 21332), (2840, 10666), (5333, 5680)]