63990020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{2011}}^1$

素因数の和:2100

約数の個数: 48

約数和(自身を含む): 141290688

約数和(自身を除く): 77300668

約数列:

[1, 2, 4, 5, 10, 20, 37, 43, 74, 86, 148, 172, 185, 215, 370, 430, 740, 860, 1591, 2011, 3182, 4022, 6364, 7955, 8044, 10055, 15910, 20110, 31820, 40220, 74407, 86473, 148814, 172946, 297628, 345892, 372035, 432365, 744070, 864730, 1488140, 1729460, 3199501, 6399002, 12798004, 15997505, 31995010, 63990020]

約数ペア:

[(1, 63990020), (2, 31995010), (4, 15997505), (5, 12798004), (10, 6399002), (20, 3199501), (37, 1729460), (43, 1488140), (74, 864730), (86, 744070), (148, 432365), (172, 372035), (185, 345892), (215, 297628), (370, 172946), (430, 148814), (740, 86473), (860, 74407), (1591, 40220), (2011, 31820), (3182, 20110), (4022, 15910), (6364, 10055), (7955, 8044)]