25898000

素因数分解:

$2^4\times 5^3\times {\mathrm{23}}^1\times {\mathrm{563}}^1$

素因数の和:609

約数の個数: 80

約数和(自身を含む): 65460096

約数和(自身を除く): 39562096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 50, 80, 92, 100, 115, 125, 184, 200, 230, 250, 368, 400, 460, 500, 563, 575, 920, 1000, 1126, 1150, 1840, 2000, 2252, 2300, 2815, 2875, 4504, 4600, 5630, 5750, 9008, 9200, 11260, 11500, 12949, 14075, 22520, 23000, 25898, 28150, 45040, 46000, 51796, 56300, 64745, 70375, 103592, 112600, 129490, 140750, 207184, 225200, 258980, 281500, 323725, 517960, 563000, 647450, 1035920, 1126000, 1294900, 1618625, 2589800, 3237250, 5179600, 6474500, 12949000, 25898000]

約数ペア:

[(1, 25898000), (2, 12949000), (4, 6474500), (5, 5179600), (8, 3237250), (10, 2589800), (16, 1618625), (20, 1294900), (23, 1126000), (25, 1035920), (40, 647450), (46, 563000), (50, 517960), (80, 323725), (92, 281500), (100, 258980), (115, 225200), (125, 207184), (184, 140750), (200, 129490), (230, 112600), (250, 103592), (368, 70375), (400, 64745), (460, 56300), (500, 51796), (563, 46000), (575, 45040), (920, 28150), (1000, 25898), (1126, 23000), (1150, 22520), (1840, 14075), (2000, 12949), (2252, 11500), (2300, 11260), (2815, 9200), (2875, 9008), (4504, 5750), (4600, 5630)]