2013011875

素因数分解:

$5^4\times 7^2\times {\mathrm{65731}}^1$

素因数の和:65765

約数の個数: 30

約数和(自身を含む): 2926191444

約数和(自身を除く): 913179569

約数列:

[1, 5, 7, 25, 35, 49, 125, 175, 245, 625, 875, 1225, 4375, 6125, 30625, 65731, 328655, 460117, 1643275, 2300585, 3220819, 8216375, 11502925, 16104095, 41081875, 57514625, 80520475, 287573125, 402602375, 2013011875]

約数ペア:

[(1, 2013011875), (5, 402602375), (7, 287573125), (25, 80520475), (35, 57514625), (49, 41081875), (125, 16104095), (175, 11502925), (245, 8216375), (625, 3220819), (875, 2300585), (1225, 1643275), (4375, 460117), (6125, 328655), (30625, 65731)]