51398090

素因数分解:

$2^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{19543}}^1$

素因数の和:19813

約数の個数: 16

約数和(自身を含む): 92873088

約数和(自身を除く): 41474998

約数列:

[1, 2, 5, 10, 263, 526, 1315, 2630, 19543, 39086, 97715, 195430, 5139809, 10279618, 25699045, 51398090]

約数ペア:

[(1, 51398090), (2, 25699045), (5, 10279618), (10, 5139809), (263, 195430), (526, 97715), (1315, 39086), (2630, 19543)]