26162500

素因数分解:

$2^2\times 5^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:72

約数の個数: 144

約数和(自身を含む): 73495296

約数和(自身を除く): 47332796

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 23, 25, 26, 28, 35, 46, 50, 52, 65, 70, 91, 92, 100, 115, 125, 130, 140, 161, 175, 182, 230, 250, 260, 299, 322, 325, 350, 364, 455, 460, 500, 575, 598, 625, 644, 650, 700, 805, 875, 910, 1150, 1196, 1250, 1300, 1495, 1610, 1625, 1750, 1820, 2093, 2275, 2300, 2500, 2875, 2990, 3125, 3220, 3250, 3500, 4025, 4186, 4375, 4550, 5750, 5980, 6250, 6500, 7475, 8050, 8125, 8372, 8750, 9100, 10465, 11375, 11500, 12500, 14375, 14950, 16100, 16250, 17500, 20125, 20930, 21875, 22750, 28750, 29900, 32500, 37375, 40250, 40625, 41860, 43750, 45500, 52325, 56875, 57500, 71875, 74750, 80500, 81250, 87500, 100625, 104650, 113750, 143750, 149500, 162500, 186875, 201250, 209300, 227500, 261625, 284375, 287500, 373750, 402500, 503125, 523250, 568750, 747500, 934375, 1006250, 1046500, 1137500, 1308125, 1868750, 2012500, 2616250, 3737500, 5232500, 6540625, 13081250, 26162500]

約数ペア:

[(1, 26162500), (2, 13081250), (4, 6540625), (5, 5232500), (7, 3737500), (10, 2616250), (13, 2012500), (14, 1868750), (20, 1308125), (23, 1137500), (25, 1046500), (26, 1006250), (28, 934375), (35, 747500), (46, 568750), (50, 523250), (52, 503125), (65, 402500), (70, 373750), (91, 287500), (92, 284375), (100, 261625), (115, 227500), (125, 209300), (130, 201250), (140, 186875), (161, 162500), (175, 149500), (182, 143750), (230, 113750), (250, 104650), (260, 100625), (299, 87500), (322, 81250), (325, 80500), (350, 74750), (364, 71875), (455, 57500), (460, 56875), (500, 52325), (575, 45500), (598, 43750), (625, 41860), (644, 40625), (650, 40250), (700, 37375), (805, 32500), (875, 29900), (910, 28750), (1150, 22750), (1196, 21875), (1250, 20930), (1300, 20125), (1495, 17500), (1610, 16250), (1625, 16100), (1750, 14950), (1820, 14375), (2093, 12500), (2275, 11500), (2300, 11375), (2500, 10465), (2875, 9100), (2990, 8750), (3125, 8372), (3220, 8125), (3250, 8050), (3500, 7475), (4025, 6500), (4186, 6250), (4375, 5980), (4550, 5750)]