8542893125

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{487}}^1$

素因数の和:664

約数の個数: 80

約数和(自身を含む): 12293664768

約数和(自身を除く): 3750771643

約数列:

[1, 5, 13, 17, 25, 65, 85, 125, 127, 221, 325, 425, 487, 625, 635, 1105, 1625, 1651, 2125, 2159, 2435, 3175, 5525, 6331, 8125, 8255, 8279, 10625, 10795, 12175, 15875, 27625, 28067, 31655, 41275, 41395, 53975, 60875, 61849, 79375, 107627, 138125, 140335, 158275, 206375, 206975, 269875, 304375, 309245, 538135, 701675, 791375, 804037, 1031875, 1034875, 1051433, 1349375, 1546225, 2690675, 3508375, 3956875, 4020185, 5174375, 5257165, 7731125, 13453375, 13668629, 17541875, 20100925, 26285825, 38655625, 67266875, 68343145, 100504625, 131429125, 341715725, 502523125, 657145625, 1708578625, 8542893125]

約数ペア:

[(1, 8542893125), (5, 1708578625), (13, 657145625), (17, 502523125), (25, 341715725), (65, 131429125), (85, 100504625), (125, 68343145), (127, 67266875), (221, 38655625), (325, 26285825), (425, 20100925), (487, 17541875), (625, 13668629), (635, 13453375), (1105, 7731125), (1625, 5257165), (1651, 5174375), (2125, 4020185), (2159, 3956875), (2435, 3508375), (3175, 2690675), (5525, 1546225), (6331, 1349375), (8125, 1051433), (8255, 1034875), (8279, 1031875), (10625, 804037), (10795, 791375), (12175, 701675), (15875, 538135), (27625, 309245), (28067, 304375), (31655, 269875), (41275, 206975), (41395, 206375), (53975, 158275), (60875, 140335), (61849, 138125), (79375, 107627)]