72500000

素因数分解:

$2^5\times 5^7\times {\mathrm{29}}^1$

素因数の和:74

約数の個数: 96

約数和(自身を含む): 184569840

約数和(自身を除く): 112069840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 32, 40, 50, 58, 80, 100, 116, 125, 145, 160, 200, 232, 250, 290, 400, 464, 500, 580, 625, 725, 800, 928, 1000, 1160, 1250, 1450, 2000, 2320, 2500, 2900, 3125, 3625, 4000, 4640, 5000, 5800, 6250, 7250, 10000, 11600, 12500, 14500, 15625, 18125, 20000, 23200, 25000, 29000, 31250, 36250, 50000, 58000, 62500, 72500, 78125, 90625, 100000, 116000, 125000, 145000, 156250, 181250, 250000, 290000, 312500, 362500, 453125, 500000, 580000, 625000, 725000, 906250, 1250000, 1450000, 1812500, 2265625, 2500000, 2900000, 3625000, 4531250, 7250000, 9062500, 14500000, 18125000, 36250000, 72500000]

約数ペア:

[(1, 72500000), (2, 36250000), (4, 18125000), (5, 14500000), (8, 9062500), (10, 7250000), (16, 4531250), (20, 3625000), (25, 2900000), (29, 2500000), (32, 2265625), (40, 1812500), (50, 1450000), (58, 1250000), (80, 906250), (100, 725000), (116, 625000), (125, 580000), (145, 500000), (160, 453125), (200, 362500), (232, 312500), (250, 290000), (290, 250000), (400, 181250), (464, 156250), (500, 145000), (580, 125000), (625, 116000), (725, 100000), (800, 90625), (928, 78125), (1000, 72500), (1160, 62500), (1250, 58000), (1450, 50000), (2000, 36250), (2320, 31250), (2500, 29000), (2900, 25000), (3125, 23200), (3625, 20000), (4000, 18125), (4640, 15625), (5000, 14500), (5800, 12500), (6250, 11600), (7250, 10000)]