16807625

素因数分解:

$5^3\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:170

約数の個数: 32

約数和(自身を含む): 22239360

約数和(自身を除く): 5431735

約数列:

[1, 5, 25, 43, 53, 59, 125, 215, 265, 295, 1075, 1325, 1475, 2279, 2537, 3127, 5375, 6625, 7375, 11395, 12685, 15635, 56975, 63425, 78175, 134461, 284875, 317125, 390875, 672305, 3361525, 16807625]

約数ペア:

[(1, 16807625), (5, 3361525), (25, 672305), (43, 390875), (53, 317125), (59, 284875), (125, 134461), (215, 78175), (265, 63425), (295, 56975), (1075, 15635), (1325, 12685), (1475, 11395), (2279, 7375), (2537, 6625), (3127, 5375)]