2624375

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:69

約数の個数: 40

約数和(自身を含む): 3936240

約数和(自身を除く): 1311865

約数列:

[1, 5, 13, 17, 19, 25, 65, 85, 95, 125, 221, 247, 323, 325, 425, 475, 625, 1105, 1235, 1615, 1625, 2125, 2375, 4199, 5525, 6175, 8075, 8125, 10625, 11875, 20995, 27625, 30875, 40375, 104975, 138125, 154375, 201875, 524875, 2624375]

約数ペア:

[(1, 2624375), (5, 524875), (13, 201875), (17, 154375), (19, 138125), (25, 104975), (65, 40375), (85, 30875), (95, 27625), (125, 20995), (221, 11875), (247, 10625), (323, 8125), (325, 8075), (425, 6175), (475, 5525), (625, 4199), (1105, 2375), (1235, 2125), (1615, 1625)]