15982000

素因数分解:

$2^4\times 5^3\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:215

約数の個数: 80

約数和(自身を含む): 39577824

約数和(自身を除く): 23595824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 61, 80, 100, 122, 125, 131, 200, 244, 250, 262, 305, 400, 488, 500, 524, 610, 655, 976, 1000, 1048, 1220, 1310, 1525, 2000, 2096, 2440, 2620, 3050, 3275, 4880, 5240, 6100, 6550, 7625, 7991, 10480, 12200, 13100, 15250, 15982, 16375, 24400, 26200, 30500, 31964, 32750, 39955, 52400, 61000, 63928, 65500, 79910, 122000, 127856, 131000, 159820, 199775, 262000, 319640, 399550, 639280, 799100, 998875, 1598200, 1997750, 3196400, 3995500, 7991000, 15982000]

約数ペア:

[(1, 15982000), (2, 7991000), (4, 3995500), (5, 3196400), (8, 1997750), (10, 1598200), (16, 998875), (20, 799100), (25, 639280), (40, 399550), (50, 319640), (61, 262000), (80, 199775), (100, 159820), (122, 131000), (125, 127856), (131, 122000), (200, 79910), (244, 65500), (250, 63928), (262, 61000), (305, 52400), (400, 39955), (488, 32750), (500, 31964), (524, 30500), (610, 26200), (655, 24400), (976, 16375), (1000, 15982), (1048, 15250), (1220, 13100), (1310, 12200), (1525, 10480), (2000, 7991), (2096, 7625), (2440, 6550), (2620, 6100), (3050, 5240), (3275, 4880)]