25840425

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1559}}^1$

素因数の和:1602

約数の個数: 48

約数和(自身を含む): 48746880

約数和(自身を除く): 22906455

約数列:

[1, 3, 5, 13, 15, 17, 25, 39, 51, 65, 75, 85, 195, 221, 255, 325, 425, 663, 975, 1105, 1275, 1559, 3315, 4677, 5525, 7795, 16575, 20267, 23385, 26503, 38975, 60801, 79509, 101335, 116925, 132515, 304005, 344539, 397545, 506675, 662575, 1033617, 1520025, 1722695, 1987725, 5168085, 8613475, 25840425]

約数ペア:

[(1, 25840425), (3, 8613475), (5, 5168085), (13, 1987725), (15, 1722695), (17, 1520025), (25, 1033617), (39, 662575), (51, 506675), (65, 397545), (75, 344539), (85, 304005), (195, 132515), (221, 116925), (255, 101335), (325, 79509), (425, 60801), (663, 38975), (975, 26503), (1105, 23385), (1275, 20267), (1559, 16575), (3315, 7795), (4677, 5525)]