40020370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{1459}}^1$

素因数の和:1690

約数の個数: 32

約数和(自身を含む): 77999040

約数和(自身を除く): 37978670

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 211, 422, 1055, 1459, 2110, 2743, 2918, 5486, 7295, 13715, 14590, 18967, 27430, 37934, 94835, 189670, 307849, 615698, 1539245, 3078490, 4002037, 8004074, 20010185, 40020370]

約数ペア:

[(1, 40020370), (2, 20010185), (5, 8004074), (10, 4002037), (13, 3078490), (26, 1539245), (65, 615698), (130, 307849), (211, 189670), (422, 94835), (1055, 37934), (1459, 27430), (2110, 18967), (2743, 14590), (2918, 13715), (5486, 7295)]