6638125

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:95

約数の個数: 40

約数和(自身を含む): 9621920

約数和(自身を除く): 2983795

約数列:

[1, 5, 13, 19, 25, 43, 65, 95, 125, 215, 247, 325, 475, 559, 625, 817, 1075, 1235, 1625, 2375, 2795, 4085, 5375, 6175, 8125, 10621, 11875, 13975, 20425, 26875, 30875, 53105, 69875, 102125, 154375, 265525, 349375, 510625, 1327625, 6638125]

約数ペア:

[(1, 6638125), (5, 1327625), (13, 510625), (19, 349375), (25, 265525), (43, 154375), (65, 102125), (95, 69875), (125, 53105), (215, 30875), (247, 26875), (325, 20425), (475, 13975), (559, 11875), (625, 10621), (817, 8125), (1075, 6175), (1235, 5375), (1625, 4085), (2375, 2795)]