2000661650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{7753}}^1$

素因数の和:8175

約数の個数: 48

約数和(自身を含む): 4018091784

約数和(自身を除く): 2017430134

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 397, 650, 794, 1985, 3970, 5161, 7753, 9925, 10322, 15506, 19850, 25805, 38765, 51610, 77530, 100789, 129025, 193825, 201578, 258050, 387650, 503945, 1007890, 2519725, 3077941, 5039450, 6155882, 15389705, 30779410, 40013233, 76948525, 80026466, 153897050, 200066165, 400132330, 1000330825, 2000661650]

約数ペア:

[(1, 2000661650), (2, 1000330825), (5, 400132330), (10, 200066165), (13, 153897050), (25, 80026466), (26, 76948525), (50, 40013233), (65, 30779410), (130, 15389705), (325, 6155882), (397, 5039450), (650, 3077941), (794, 2519725), (1985, 1007890), (3970, 503945), (5161, 387650), (7753, 258050), (9925, 201578), (10322, 193825), (15506, 129025), (19850, 100789), (25805, 77530), (38765, 51610)]