91371440

素因数分解:

$2^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{5413}}^1$

素因数の和:5637

約数の個数: 40

約数和(自身を含む): 213484848

約数和(自身を除く): 122113408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 422, 844, 1055, 1688, 2110, 3376, 4220, 5413, 8440, 10826, 16880, 21652, 27065, 43304, 54130, 86608, 108260, 216520, 433040, 1142143, 2284286, 4568572, 5710715, 9137144, 11421430, 18274288, 22842860, 45685720, 91371440]

約数ペア:

[(1, 91371440), (2, 45685720), (4, 22842860), (5, 18274288), (8, 11421430), (10, 9137144), (16, 5710715), (20, 4568572), (40, 2284286), (80, 1142143), (211, 433040), (422, 216520), (844, 108260), (1055, 86608), (1688, 54130), (2110, 43304), (3376, 27065), (4220, 21652), (5413, 16880), (8440, 10826)]