26149375

素因数分解:

$5^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:209

約数の個数: 40

約数和(自身を含む): 38487680

約数和(自身を除く): 12338305

約数列:

[1, 5, 7, 25, 35, 43, 125, 139, 175, 215, 301, 625, 695, 875, 973, 1075, 1505, 3475, 4375, 4865, 5375, 5977, 7525, 17375, 24325, 26875, 29885, 37625, 41839, 86875, 121625, 149425, 188125, 209195, 608125, 747125, 1045975, 3735625, 5229875, 26149375]

約数ペア:

[(1, 26149375), (5, 5229875), (7, 3735625), (25, 1045975), (35, 747125), (43, 608125), (125, 209195), (139, 188125), (175, 149425), (215, 121625), (301, 86875), (625, 41839), (695, 37625), (875, 29885), (973, 26875), (1075, 24325), (1505, 17375), (3475, 7525), (4375, 5977), (4865, 5375)]