1265000

素因数分解:

$2^3\times 5^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1$

素因数の和:60

約数の個数: 80

約数和(自身を含む): 3373920

約数和(自身を除く): 2108920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 25, 40, 44, 46, 50, 55, 88, 92, 100, 110, 115, 125, 184, 200, 220, 230, 250, 253, 275, 440, 460, 500, 506, 550, 575, 625, 920, 1000, 1012, 1100, 1150, 1250, 1265, 1375, 2024, 2200, 2300, 2500, 2530, 2750, 2875, 4600, 5000, 5060, 5500, 5750, 6325, 6875, 10120, 11000, 11500, 12650, 13750, 14375, 23000, 25300, 27500, 28750, 31625, 50600, 55000, 57500, 63250, 115000, 126500, 158125, 253000, 316250, 632500, 1265000]

約数ペア:

[(1, 1265000), (2, 632500), (4, 316250), (5, 253000), (8, 158125), (10, 126500), (11, 115000), (20, 63250), (22, 57500), (23, 55000), (25, 50600), (40, 31625), (44, 28750), (46, 27500), (50, 25300), (55, 23000), (88, 14375), (92, 13750), (100, 12650), (110, 11500), (115, 11000), (125, 10120), (184, 6875), (200, 6325), (220, 5750), (230, 5500), (250, 5060), (253, 5000), (275, 4600), (440, 2875), (460, 2750), (500, 2530), (506, 2500), (550, 2300), (575, 2200), (625, 2024), (920, 1375), (1000, 1265), (1012, 1250), (1100, 1150)]