12650000

素因数分解:

$2^4\times 5^5\times {\mathrm{11}}^1\times {\mathrm{23}}^1$

素因数の和:67

約数の個数: 120

約数和(自身を含む): 34872768

約数和(自身を除く): 22222768

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 25, 40, 44, 46, 50, 55, 80, 88, 92, 100, 110, 115, 125, 176, 184, 200, 220, 230, 250, 253, 275, 368, 400, 440, 460, 500, 506, 550, 575, 625, 880, 920, 1000, 1012, 1100, 1150, 1250, 1265, 1375, 1840, 2000, 2024, 2200, 2300, 2500, 2530, 2750, 2875, 3125, 4048, 4400, 4600, 5000, 5060, 5500, 5750, 6250, 6325, 6875, 9200, 10000, 10120, 11000, 11500, 12500, 12650, 13750, 14375, 20240, 22000, 23000, 25000, 25300, 27500, 28750, 31625, 34375, 46000, 50000, 50600, 55000, 57500, 63250, 68750, 71875, 101200, 110000, 115000, 126500, 137500, 143750, 158125, 230000, 253000, 275000, 287500, 316250, 506000, 550000, 575000, 632500, 790625, 1150000, 1265000, 1581250, 2530000, 3162500, 6325000, 12650000]

約数ペア:

[(1, 12650000), (2, 6325000), (4, 3162500), (5, 2530000), (8, 1581250), (10, 1265000), (11, 1150000), (16, 790625), (20, 632500), (22, 575000), (23, 550000), (25, 506000), (40, 316250), (44, 287500), (46, 275000), (50, 253000), (55, 230000), (80, 158125), (88, 143750), (92, 137500), (100, 126500), (110, 115000), (115, 110000), (125, 101200), (176, 71875), (184, 68750), (200, 63250), (220, 57500), (230, 55000), (250, 50600), (253, 50000), (275, 46000), (368, 34375), (400, 31625), (440, 28750), (460, 27500), (500, 25300), (506, 25000), (550, 23000), (575, 22000), (625, 20240), (880, 14375), (920, 13750), (1000, 12650), (1012, 12500), (1100, 11500), (1150, 11000), (1250, 10120), (1265, 10000), (1375, 9200), (1840, 6875), (2000, 6325), (2024, 6250), (2200, 5750), (2300, 5500), (2500, 5060), (2530, 5000), (2750, 4600), (2875, 4400), (3125, 4048)]