71545000

素因数分解:

$2^3\times 5^4\times {\mathrm{41}}^1\times {\mathrm{349}}^1$

素因数の和:416

約数の個数: 80

約数和(自身を含む): 172210500

約数和(自身を除く): 100665500

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 125, 164, 200, 205, 250, 328, 349, 410, 500, 625, 698, 820, 1000, 1025, 1250, 1396, 1640, 1745, 2050, 2500, 2792, 3490, 4100, 5000, 5125, 6980, 8200, 8725, 10250, 13960, 14309, 17450, 20500, 25625, 28618, 34900, 41000, 43625, 51250, 57236, 69800, 71545, 87250, 102500, 114472, 143090, 174500, 205000, 218125, 286180, 349000, 357725, 436250, 572360, 715450, 872500, 1430900, 1745000, 1788625, 2861800, 3577250, 7154500, 8943125, 14309000, 17886250, 35772500, 71545000]

約数ペア:

[(1, 71545000), (2, 35772500), (4, 17886250), (5, 14309000), (8, 8943125), (10, 7154500), (20, 3577250), (25, 2861800), (40, 1788625), (41, 1745000), (50, 1430900), (82, 872500), (100, 715450), (125, 572360), (164, 436250), (200, 357725), (205, 349000), (250, 286180), (328, 218125), (349, 205000), (410, 174500), (500, 143090), (625, 114472), (698, 102500), (820, 87250), (1000, 71545), (1025, 69800), (1250, 57236), (1396, 51250), (1640, 43625), (1745, 41000), (2050, 34900), (2500, 28618), (2792, 25625), (3490, 20500), (4100, 17450), (5000, 14309), (5125, 13960), (6980, 10250), (8200, 8725)]