51743380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2803}}^1$

素因数の和:2896

約数の個数: 48

約数和(自身を含む): 118710144

約数和(自身を除く): 66966764

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 2803, 3692, 4615, 5606, 9230, 11212, 14015, 18460, 28030, 36439, 56060, 72878, 145756, 182195, 199013, 364390, 398026, 728780, 796052, 995065, 1990130, 2587169, 3980260, 5174338, 10348676, 12935845, 25871690, 51743380]

約数ペア:

[(1, 51743380), (2, 25871690), (4, 12935845), (5, 10348676), (10, 5174338), (13, 3980260), (20, 2587169), (26, 1990130), (52, 995065), (65, 796052), (71, 728780), (130, 398026), (142, 364390), (260, 199013), (284, 182195), (355, 145756), (710, 72878), (923, 56060), (1420, 36439), (1846, 28030), (2803, 18460), (3692, 14015), (4615, 11212), (5606, 9230)]