89877125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:159

約数の個数: 64

約数和(自身を含む): 132088320

約数和(自身を除く): 42211195

約数列:

[1, 5, 13, 19, 25, 41, 65, 71, 95, 125, 205, 247, 325, 355, 475, 533, 779, 923, 1025, 1235, 1349, 1625, 1775, 2375, 2665, 2911, 3895, 4615, 5125, 6175, 6745, 8875, 10127, 13325, 14555, 17537, 19475, 23075, 30875, 33725, 37843, 50635, 55309, 66625, 72775, 87685, 97375, 115375, 168625, 189215, 253175, 276545, 363875, 438425, 719017, 946075, 1265875, 1382725, 2192125, 3595085, 4730375, 6913625, 17975425, 89877125]

約数ペア:

[(1, 89877125), (5, 17975425), (13, 6913625), (19, 4730375), (25, 3595085), (41, 2192125), (65, 1382725), (71, 1265875), (95, 946075), (125, 719017), (205, 438425), (247, 363875), (325, 276545), (355, 253175), (475, 189215), (533, 168625), (779, 115375), (923, 97375), (1025, 87685), (1235, 72775), (1349, 66625), (1625, 55309), (1775, 50635), (2375, 37843), (2665, 33725), (2911, 30875), (3895, 23075), (4615, 19475), (5125, 17537), (6175, 14555), (6745, 13325), (8875, 10127)]