11500000

素因数分解:

$2^5\times 5^6\times {\mathrm{23}}^1$

素因数の和:63

約数の個数: 84

約数和(自身を含む): 29530872

約数和(自身を除く): 18030872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 80, 92, 100, 115, 125, 160, 184, 200, 230, 250, 368, 400, 460, 500, 575, 625, 736, 800, 920, 1000, 1150, 1250, 1840, 2000, 2300, 2500, 2875, 3125, 3680, 4000, 4600, 5000, 5750, 6250, 9200, 10000, 11500, 12500, 14375, 15625, 18400, 20000, 23000, 25000, 28750, 31250, 46000, 50000, 57500, 62500, 71875, 92000, 100000, 115000, 125000, 143750, 230000, 250000, 287500, 359375, 460000, 500000, 575000, 718750, 1150000, 1437500, 2300000, 2875000, 5750000, 11500000]

約数ペア:

[(1, 11500000), (2, 5750000), (4, 2875000), (5, 2300000), (8, 1437500), (10, 1150000), (16, 718750), (20, 575000), (23, 500000), (25, 460000), (32, 359375), (40, 287500), (46, 250000), (50, 230000), (80, 143750), (92, 125000), (100, 115000), (115, 100000), (125, 92000), (160, 71875), (184, 62500), (200, 57500), (230, 50000), (250, 46000), (368, 31250), (400, 28750), (460, 25000), (500, 23000), (575, 20000), (625, 18400), (736, 15625), (800, 14375), (920, 12500), (1000, 11500), (1150, 10000), (1250, 9200), (1840, 6250), (2000, 5750), (2300, 5000), (2500, 4600), (2875, 4000), (3125, 3680)]