39943980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^2\times {\mathrm{79}}^1$

素因数の和:200

約数の個数: 108

約数和(自身を含む): 125055840

約数和(自身を除く): 85111860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 79, 90, 106, 158, 159, 180, 212, 237, 265, 316, 318, 395, 474, 477, 530, 636, 711, 790, 795, 948, 954, 1060, 1185, 1422, 1580, 1590, 1908, 2370, 2385, 2809, 2844, 3180, 3555, 4187, 4740, 4770, 5618, 7110, 8374, 8427, 9540, 11236, 12561, 14045, 14220, 16748, 16854, 20935, 25122, 25281, 28090, 33708, 37683, 41870, 42135, 50244, 50562, 56180, 62805, 75366, 83740, 84270, 101124, 125610, 126405, 150732, 168540, 188415, 221911, 251220, 252810, 376830, 443822, 505620, 665733, 753660, 887644, 1109555, 1331466, 1997199, 2219110, 2662932, 3328665, 3994398, 4438220, 6657330, 7988796, 9985995, 13314660, 19971990, 39943980]

約数ペア:

[(1, 39943980), (2, 19971990), (3, 13314660), (4, 9985995), (5, 7988796), (6, 6657330), (9, 4438220), (10, 3994398), (12, 3328665), (15, 2662932), (18, 2219110), (20, 1997199), (30, 1331466), (36, 1109555), (45, 887644), (53, 753660), (60, 665733), (79, 505620), (90, 443822), (106, 376830), (158, 252810), (159, 251220), (180, 221911), (212, 188415), (237, 168540), (265, 150732), (316, 126405), (318, 125610), (395, 101124), (474, 84270), (477, 83740), (530, 75366), (636, 62805), (711, 56180), (790, 50562), (795, 50244), (948, 42135), (954, 41870), (1060, 37683), (1185, 33708), (1422, 28090), (1580, 25281), (1590, 25122), (1908, 20935), (2370, 16854), (2385, 16748), (2809, 14220), (2844, 14045), (3180, 12561), (3555, 11236), (4187, 9540), (4740, 8427), (4770, 8374), (5618, 7110)]