128536931875

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{1249}}^1\times {\mathrm{14969}}^1$

素因数の和:16249

約数の個数: 40

約数和(自身を含む): 175373550000

約数和(自身を除く): 46836618125

約数列:

[1, 5, 11, 25, 55, 125, 275, 625, 1249, 1375, 6245, 6875, 13739, 14969, 31225, 68695, 74845, 156125, 164659, 343475, 374225, 780625, 823295, 1717375, 1871125, 4116475, 8586875, 9355625, 18696281, 20582375, 93481405, 102911875, 205659091, 467407025, 1028295455, 2337035125, 5141477275, 11685175625, 25707386375, 128536931875]

約数ペア:

[(1, 128536931875), (5, 25707386375), (11, 11685175625), (25, 5141477275), (55, 2337035125), (125, 1028295455), (275, 467407025), (625, 205659091), (1249, 102911875), (1375, 93481405), (6245, 20582375), (6875, 18696281), (13739, 9355625), (14969, 8586875), (31225, 4116475), (68695, 1871125), (74845, 1717375), (156125, 823295), (164659, 780625), (343475, 374225)]