139026875

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:345

約数の個数: 40

約数和(自身を含む): 190514016

約数和(自身を除く): 51487141

約数列:

[1, 5, 13, 25, 65, 71, 125, 241, 325, 355, 625, 923, 1205, 1625, 1775, 3133, 4615, 6025, 8125, 8875, 15665, 17111, 23075, 30125, 44375, 78325, 85555, 115375, 150625, 222443, 391625, 427775, 576875, 1112215, 1958125, 2138875, 5561075, 10694375, 27805375, 139026875]

約数ペア:

[(1, 139026875), (5, 27805375), (13, 10694375), (25, 5561075), (65, 2138875), (71, 1958125), (125, 1112215), (241, 576875), (325, 427775), (355, 391625), (625, 222443), (923, 150625), (1205, 115375), (1625, 85555), (1775, 78325), (3133, 44375), (4615, 30125), (6025, 23075), (8125, 17111), (8875, 15665)]