38777797840

素因数分解:

$2^4\times 5^1\times {\mathrm{3191}}^1\times {\mathrm{151903}}^1$

素因数の和:155107

約数の個数: 40

約数和(自身を含む): 90187227648

約数和(自身を除く): 51409429808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3191, 6382, 12764, 15955, 25528, 31910, 51056, 63820, 127640, 151903, 255280, 303806, 607612, 759515, 1215224, 1519030, 2430448, 3038060, 6076120, 12152240, 484722473, 969444946, 1938889892, 2423612365, 3877779784, 4847224730, 7755559568, 9694449460, 19388898920, 38777797840]

約数ペア:

[(1, 38777797840), (2, 19388898920), (4, 9694449460), (5, 7755559568), (8, 4847224730), (10, 3877779784), (16, 2423612365), (20, 1938889892), (40, 969444946), (80, 484722473), (3191, 12152240), (6382, 6076120), (12764, 3038060), (15955, 2430448), (25528, 1519030), (31910, 1215224), (51056, 759515), (63820, 607612), (127640, 303806), (151903, 255280)]