64562780

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{2029}}^1$

素因数の和:2118

約数の個数: 48

約数和(自身を含む): 142554720

約数和(自身を除く): 77991940

約数列:

[1, 2, 4, 5, 10, 20, 37, 43, 74, 86, 148, 172, 185, 215, 370, 430, 740, 860, 1591, 2029, 3182, 4058, 6364, 7955, 8116, 10145, 15910, 20290, 31820, 40580, 75073, 87247, 150146, 174494, 300292, 348988, 375365, 436235, 750730, 872470, 1501460, 1744940, 3228139, 6456278, 12912556, 16140695, 32281390, 64562780]

約数ペア:

[(1, 64562780), (2, 32281390), (4, 16140695), (5, 12912556), (10, 6456278), (20, 3228139), (37, 1744940), (43, 1501460), (74, 872470), (86, 750730), (148, 436235), (172, 375365), (185, 348988), (215, 300292), (370, 174494), (430, 150146), (740, 87247), (860, 75073), (1591, 40580), (2029, 31820), (3182, 20290), (4058, 15910), (6364, 10145), (7955, 8116)]