42642500

素因数分解:

$2^2\times 5^4\times {\mathrm{37}}^1\times {\mathrm{461}}^1$

素因数の和:522

約数の個数: 60

約数和(自身を含む): 95978652

約数和(自身を除く): 53336152

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 125, 148, 185, 250, 370, 461, 500, 625, 740, 922, 925, 1250, 1844, 1850, 2305, 2500, 3700, 4610, 4625, 9220, 9250, 11525, 17057, 18500, 23050, 23125, 34114, 46100, 46250, 57625, 68228, 85285, 92500, 115250, 170570, 230500, 288125, 341140, 426425, 576250, 852850, 1152500, 1705700, 2132125, 4264250, 8528500, 10660625, 21321250, 42642500]

約数ペア:

[(1, 42642500), (2, 21321250), (4, 10660625), (5, 8528500), (10, 4264250), (20, 2132125), (25, 1705700), (37, 1152500), (50, 852850), (74, 576250), (100, 426425), (125, 341140), (148, 288125), (185, 230500), (250, 170570), (370, 115250), (461, 92500), (500, 85285), (625, 68228), (740, 57625), (922, 46250), (925, 46100), (1250, 34114), (1844, 23125), (1850, 23050), (2305, 18500), (2500, 17057), (3700, 11525), (4610, 9250), (4625, 9220)]