16051340

素因数分解:

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

素因数の和:354

約数の個数: 48

約数和(自身を含む): 35112000

約数和(自身を除く): 19060660

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 109, 148, 185, 199, 218, 370, 398, 436, 545, 740, 796, 995, 1090, 1990, 2180, 3980, 4033, 7363, 8066, 14726, 16132, 20165, 21691, 29452, 36815, 40330, 43382, 73630, 80660, 86764, 108455, 147260, 216910, 433820, 802567, 1605134, 3210268, 4012835, 8025670, 16051340]

約数ペア:

[(1, 16051340), (2, 8025670), (4, 4012835), (5, 3210268), (10, 1605134), (20, 802567), (37, 433820), (74, 216910), (109, 147260), (148, 108455), (185, 86764), (199, 80660), (218, 73630), (370, 43382), (398, 40330), (436, 36815), (545, 29452), (740, 21691), (796, 20165), (995, 16132), (1090, 14726), (1990, 8066), (2180, 7363), (3980, 4033)]