42490090

素因数分解:

$2^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{15679}}^1$

素因数の和:15957

約数の個数: 16

約数和(自身を含む): 76769280

約数和(自身を除く): 34279190

約数列:

[1, 2, 5, 10, 271, 542, 1355, 2710, 15679, 31358, 78395, 156790, 4249009, 8498018, 21245045, 42490090]

約数ペア:

[(1, 42490090), (2, 21245045), (5, 8498018), (10, 4249009), (271, 156790), (542, 78395), (1355, 31358), (2710, 15679)]