25404940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3121}}^1$

素因数の和:3178

約数の個数: 48

約数和(自身を含む): 59792544

約数和(自身を除く): 34387604

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 2035, 3121, 4070, 6242, 8140, 12484, 15605, 31210, 34331, 62420, 68662, 115477, 137324, 171655, 230954, 343310, 461908, 577385, 686620, 1154770, 1270247, 2309540, 2540494, 5080988, 6351235, 12702470, 25404940]

約数ペア:

[(1, 25404940), (2, 12702470), (4, 6351235), (5, 5080988), (10, 2540494), (11, 2309540), (20, 1270247), (22, 1154770), (37, 686620), (44, 577385), (55, 461908), (74, 343310), (110, 230954), (148, 171655), (185, 137324), (220, 115477), (370, 68662), (407, 62420), (740, 34331), (814, 31210), (1628, 15605), (2035, 12484), (3121, 8140), (4070, 6242)]