65004875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{367}}^1$

素因数の和:504

約数の個数: 32

約数和(自身を含む): 88408320

約数和(自身を除く): 23403445

約数列:

[1, 5, 13, 25, 65, 109, 125, 325, 367, 545, 1417, 1625, 1835, 2725, 4771, 7085, 9175, 13625, 23855, 35425, 40003, 45875, 119275, 177125, 200015, 520039, 596375, 1000075, 2600195, 5000375, 13000975, 65004875]

約数ペア:

[(1, 65004875), (5, 13000975), (13, 5000375), (25, 2600195), (65, 1000075), (109, 596375), (125, 520039), (325, 200015), (367, 177125), (545, 119275), (1417, 45875), (1625, 40003), (1835, 35425), (2725, 23855), (4771, 13625), (7085, 9175)]