78378625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{347}}^1$

素因数の和:514

約数の個数: 32

約数和(自身を含む): 106404480

約数和(自身を除く): 28025855

約数列:

[1, 5, 13, 25, 65, 125, 139, 325, 347, 695, 1625, 1735, 1807, 3475, 4511, 8675, 9035, 17375, 22555, 43375, 45175, 48233, 112775, 225875, 241165, 563875, 627029, 1205825, 3135145, 6029125, 15675725, 78378625]

約数ペア:

[(1, 78378625), (5, 15675725), (13, 6029125), (25, 3135145), (65, 1205825), (125, 627029), (139, 563875), (325, 241165), (347, 225875), (695, 112775), (1625, 48233), (1735, 45175), (1807, 43375), (3475, 22555), (4511, 17375), (8675, 9035)]