20055777625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{8747}}^1$

素因数の和:8875

約数の個数: 64

約数和(自身を含む): 28887715584

約数和(自身を除く): 8831937959

約数列:

[1, 5, 13, 17, 25, 65, 83, 85, 125, 221, 325, 415, 425, 1079, 1105, 1411, 1625, 2075, 2125, 5395, 5525, 7055, 8747, 10375, 18343, 26975, 27625, 35275, 43735, 91715, 113711, 134875, 148699, 176375, 218675, 458575, 568555, 726001, 743495, 1093375, 1933087, 2292875, 2842775, 3630005, 3717475, 9438013, 9665435, 12342017, 14213875, 18150025, 18587375, 47190065, 48327175, 61710085, 90750125, 160446221, 235950325, 241635875, 308550425, 802231105, 1179751625, 1542752125, 4011155525, 20055777625]

約数ペア:

[(1, 20055777625), (5, 4011155525), (13, 1542752125), (17, 1179751625), (25, 802231105), (65, 308550425), (83, 241635875), (85, 235950325), (125, 160446221), (221, 90750125), (325, 61710085), (415, 48327175), (425, 47190065), (1079, 18587375), (1105, 18150025), (1411, 14213875), (1625, 12342017), (2075, 9665435), (2125, 9438013), (5395, 3717475), (5525, 3630005), (7055, 2842775), (8747, 2292875), (10375, 1933087), (18343, 1093375), (26975, 743495), (27625, 726001), (35275, 568555), (43735, 458575), (91715, 218675), (113711, 176375), (134875, 148699)]