25620075

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1$

素因数の和:509

約数の個数: 72

約数和(自身を含む): 52132080

約数和(自身を除く): 26512005

約数列:

[1, 3, 5, 9, 13, 15, 19, 25, 39, 45, 57, 65, 75, 95, 117, 171, 195, 225, 247, 285, 325, 461, 475, 585, 741, 855, 975, 1235, 1383, 1425, 2223, 2305, 2925, 3705, 4149, 4275, 5993, 6175, 6915, 8759, 11115, 11525, 17979, 18525, 20745, 26277, 29965, 34575, 43795, 53937, 55575, 78831, 89895, 103725, 113867, 131385, 149825, 218975, 269685, 341601, 394155, 449475, 569335, 656925, 1024803, 1348425, 1708005, 1970775, 2846675, 5124015, 8540025, 25620075]

約数ペア:

[(1, 25620075), (3, 8540025), (5, 5124015), (9, 2846675), (13, 1970775), (15, 1708005), (19, 1348425), (25, 1024803), (39, 656925), (45, 569335), (57, 449475), (65, 394155), (75, 341601), (95, 269685), (117, 218975), (171, 149825), (195, 131385), (225, 113867), (247, 103725), (285, 89895), (325, 78831), (461, 55575), (475, 53937), (585, 43795), (741, 34575), (855, 29965), (975, 26277), (1235, 20745), (1383, 18525), (1425, 17979), (2223, 11525), (2305, 11115), (2925, 8759), (3705, 6915), (4149, 6175), (4275, 5993)]