26146250

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{1609}}^1$

素因数の和:1644

約数の個数: 40

約数和(自身を含む): 52811220

約数和(自身を除く): 26664970

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 625, 650, 1250, 1609, 1625, 3218, 3250, 8045, 8125, 16090, 16250, 20917, 40225, 41834, 80450, 104585, 201125, 209170, 402250, 522925, 1005625, 1045850, 2011250, 2614625, 5229250, 13073125, 26146250]

約数ペア:

[(1, 26146250), (2, 13073125), (5, 5229250), (10, 2614625), (13, 2011250), (25, 1045850), (26, 1005625), (50, 522925), (65, 402250), (125, 209170), (130, 201125), (250, 104585), (325, 80450), (625, 41834), (650, 40225), (1250, 20917), (1609, 16250), (1625, 16090), (3218, 8125), (3250, 8045)]