20196918125

素因数分解:

$5^4\times {\mathrm{23}}^1\times {\mathrm{347}}^1\times {\mathrm{4049}}^1$

素因数の和:4439

約数の個数: 40

約数和(自身を含む): 26417793600

約数和(自身を除く): 6220875475

約数列:

[1, 5, 23, 25, 115, 125, 347, 575, 625, 1735, 2875, 4049, 7981, 8675, 14375, 20245, 39905, 43375, 93127, 101225, 199525, 216875, 465635, 506125, 997625, 1405003, 2328175, 2530625, 4988125, 7025015, 11640875, 32315069, 35125075, 58204375, 161575345, 175625375, 807876725, 878126875, 4039383625, 20196918125]

約数ペア:

[(1, 20196918125), (5, 4039383625), (23, 878126875), (25, 807876725), (115, 175625375), (125, 161575345), (347, 58204375), (575, 35125075), (625, 32315069), (1735, 11640875), (2875, 7025015), (4049, 4988125), (7981, 2530625), (8675, 2328175), (14375, 1405003), (20245, 997625), (39905, 506125), (43375, 465635), (93127, 216875), (101225, 199525)]