260026390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{117659}}^1$

素因数の和:117696

約数の個数: 32

約数和(自身を含む): 533705760

約数和(自身を除く): 273679370

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 117659, 235318, 588295, 1176590, 1529567, 2000203, 3059134, 4000406, 7647835, 10001015, 15295670, 20002030, 26002639, 52005278, 130013195, 260026390]

約数ペア:

[(1, 260026390), (2, 130013195), (5, 52005278), (10, 26002639), (13, 20002030), (17, 15295670), (26, 10001015), (34, 7647835), (65, 4000406), (85, 3059134), (130, 2000203), (170, 1529567), (221, 1176590), (442, 588295), (1105, 235318), (2210, 117659)]