25109925

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 44520960

約数和(自身を除く): 19411035

約数列:

[1, 3, 5, 15, 19, 25, 57, 67, 75, 95, 201, 263, 285, 335, 475, 789, 1005, 1273, 1315, 1425, 1675, 3819, 3945, 4997, 5025, 6365, 6575, 14991, 17621, 19095, 19725, 24985, 31825, 52863, 74955, 88105, 95475, 124925, 264315, 334799, 374775, 440525, 1004397, 1321575, 1673995, 5021985, 8369975, 25109925]

約数ペア:

[(1, 25109925), (3, 8369975), (5, 5021985), (15, 1673995), (19, 1321575), (25, 1004397), (57, 440525), (67, 374775), (75, 334799), (95, 264315), (201, 124925), (263, 95475), (285, 88105), (335, 74955), (475, 52863), (789, 31825), (1005, 24985), (1273, 19725), (1315, 19095), (1425, 17621), (1675, 14991), (3819, 6575), (3945, 6365), (4997, 5025)]