40128350

素因数分解:

$2^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:357

約数の個数: 48

約数和(自身を含む): 77748000

約数和(自身を除く): 37619650

約数列:

[1, 2, 5, 10, 25, 37, 50, 74, 109, 185, 199, 218, 370, 398, 545, 925, 995, 1090, 1850, 1990, 2725, 4033, 4975, 5450, 7363, 8066, 9950, 14726, 20165, 21691, 36815, 40330, 43382, 73630, 100825, 108455, 184075, 201650, 216910, 368150, 542275, 802567, 1084550, 1605134, 4012835, 8025670, 20064175, 40128350]

約数ペア:

[(1, 40128350), (2, 20064175), (5, 8025670), (10, 4012835), (25, 1605134), (37, 1084550), (50, 802567), (74, 542275), (109, 368150), (185, 216910), (199, 201650), (218, 184075), (370, 108455), (398, 100825), (545, 73630), (925, 43382), (995, 40330), (1090, 36815), (1850, 21691), (1990, 20165), (2725, 14726), (4033, 9950), (4975, 8066), (5450, 7363)]