488992040

素因数分解:

$2^3\times 5^1\times {\mathrm{2111}}^1\times {\mathrm{5791}}^1$

素因数の和:7913

約数の個数: 32

約数和(自身を含む): 1100943360

約数和(自身を除く): 611951320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2111, 4222, 5791, 8444, 10555, 11582, 16888, 21110, 23164, 28955, 42220, 46328, 57910, 84440, 115820, 231640, 12224801, 24449602, 48899204, 61124005, 97798408, 122248010, 244496020, 488992040]

約数ペア:

[(1, 488992040), (2, 244496020), (4, 122248010), (5, 97798408), (8, 61124005), (10, 48899204), (20, 24449602), (40, 12224801), (2111, 231640), (4222, 115820), (5791, 84440), (8444, 57910), (10555, 46328), (11582, 42220), (16888, 28955), (21110, 23164)]