156908125

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{787}}^1$

素因数の和:847

約数の個数: 40

約数和(自身を含む): 221554080

約数和(自身を除く): 64645955

約数列:

[1, 5, 11, 25, 29, 55, 125, 145, 275, 319, 625, 725, 787, 1375, 1595, 3625, 3935, 6875, 7975, 8657, 18125, 19675, 22823, 39875, 43285, 98375, 114115, 199375, 216425, 251053, 491875, 570575, 1082125, 1255265, 2852875, 5410625, 6276325, 14264375, 31381625, 156908125]

約数ペア:

[(1, 156908125), (5, 31381625), (11, 14264375), (25, 6276325), (29, 5410625), (55, 2852875), (125, 1255265), (145, 1082125), (275, 570575), (319, 491875), (625, 251053), (725, 216425), (787, 199375), (1375, 114115), (1595, 98375), (3625, 43285), (3935, 39875), (6875, 22823), (7975, 19675), (8657, 18125)]