42214280

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{2713}}^1$

素因数の和:3113

約数の個数: 32

約数和(自身を含む): 95261400

約数和(自身を除く): 53047120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 1556, 1945, 2713, 3112, 3890, 5426, 7780, 10852, 13565, 15560, 21704, 27130, 54260, 108520, 1055357, 2110714, 4221428, 5276785, 8442856, 10553570, 21107140, 42214280]

約数ペア:

[(1, 42214280), (2, 21107140), (4, 10553570), (5, 8442856), (8, 5276785), (10, 4221428), (20, 2110714), (40, 1055357), (389, 108520), (778, 54260), (1556, 27130), (1945, 21704), (2713, 15560), (3112, 13565), (3890, 10852), (5426, 7780)]