87720788375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{34429}}^1$

素因数の和:34581

約数の個数: 64

約数和(自身を含む): 127616860800

約数和(自身を除く): 39896072425

約数列:

[1, 5, 11, 17, 25, 55, 85, 109, 125, 187, 275, 425, 545, 935, 1199, 1375, 1853, 2125, 2725, 4675, 5995, 9265, 13625, 20383, 23375, 29975, 34429, 46325, 101915, 149875, 172145, 231625, 378719, 509575, 585293, 860725, 1893595, 2547875, 2926465, 3752761, 4303625, 6438223, 9467975, 14632325, 18763805, 32191115, 41280371, 47339875, 63796937, 73161625, 93819025, 160955575, 206401855, 318984685, 469095125, 701766307, 804777875, 1032009275, 1594923425, 3508831535, 5160046375, 7974617125, 17544157675, 87720788375]

約数ペア:

[(1, 87720788375), (5, 17544157675), (11, 7974617125), (17, 5160046375), (25, 3508831535), (55, 1594923425), (85, 1032009275), (109, 804777875), (125, 701766307), (187, 469095125), (275, 318984685), (425, 206401855), (545, 160955575), (935, 93819025), (1199, 73161625), (1375, 63796937), (1853, 47339875), (2125, 41280371), (2725, 32191115), (4675, 18763805), (5995, 14632325), (9265, 9467975), (13625, 6438223), (20383, 4303625), (23375, 3752761), (29975, 2926465), (34429, 2547875), (46325, 1893595), (101915, 860725), (149875, 585293), (172145, 509575), (231625, 378719)]