40125650

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:299

約数の個数: 48

約数和(自身を含む): 77137920

約数和(自身を除く): 37012270

約数列:

[1, 2, 5, 10, 25, 50, 71, 89, 127, 142, 178, 254, 355, 445, 635, 710, 890, 1270, 1775, 2225, 3175, 3550, 4450, 6319, 6350, 9017, 11303, 12638, 18034, 22606, 31595, 45085, 56515, 63190, 90170, 113030, 157975, 225425, 282575, 315950, 450850, 565150, 802513, 1605026, 4012565, 8025130, 20062825, 40125650]

約数ペア:

[(1, 40125650), (2, 20062825), (5, 8025130), (10, 4012565), (25, 1605026), (50, 802513), (71, 565150), (89, 450850), (127, 315950), (142, 282575), (178, 225425), (254, 157975), (355, 113030), (445, 90170), (635, 63190), (710, 56515), (890, 45085), (1270, 31595), (1775, 22606), (2225, 18034), (3175, 12638), (3550, 11303), (4450, 9017), (6319, 6350)]