25779000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{661}}^1$

素因数の和:698

約数の個数: 128

約数和(自身を含む): 86748480

約数和(自身を除く): 60969480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 50, 52, 60, 65, 75, 78, 100, 104, 120, 125, 130, 150, 156, 195, 200, 250, 260, 300, 312, 325, 375, 390, 500, 520, 600, 650, 661, 750, 780, 975, 1000, 1300, 1322, 1500, 1560, 1625, 1950, 1983, 2600, 2644, 3000, 3250, 3305, 3900, 3966, 4875, 5288, 6500, 6610, 7800, 7932, 8593, 9750, 9915, 13000, 13220, 15864, 16525, 17186, 19500, 19830, 25779, 26440, 33050, 34372, 39000, 39660, 42965, 49575, 51558, 66100, 68744, 79320, 82625, 85930, 99150, 103116, 128895, 132200, 165250, 171860, 198300, 206232, 214825, 247875, 257790, 330500, 343720, 396600, 429650, 495750, 515580, 644475, 661000, 859300, 991500, 1031160, 1074125, 1288950, 1718600, 1983000, 2148250, 2577900, 3222375, 4296500, 5155800, 6444750, 8593000, 12889500, 25779000]

約数ペア:

[(1, 25779000), (2, 12889500), (3, 8593000), (4, 6444750), (5, 5155800), (6, 4296500), (8, 3222375), (10, 2577900), (12, 2148250), (13, 1983000), (15, 1718600), (20, 1288950), (24, 1074125), (25, 1031160), (26, 991500), (30, 859300), (39, 661000), (40, 644475), (50, 515580), (52, 495750), (60, 429650), (65, 396600), (75, 343720), (78, 330500), (100, 257790), (104, 247875), (120, 214825), (125, 206232), (130, 198300), (150, 171860), (156, 165250), (195, 132200), (200, 128895), (250, 103116), (260, 99150), (300, 85930), (312, 82625), (325, 79320), (375, 68744), (390, 66100), (500, 51558), (520, 49575), (600, 42965), (650, 39660), (661, 39000), (750, 34372), (780, 33050), (975, 26440), (1000, 25779), (1300, 19830), (1322, 19500), (1500, 17186), (1560, 16525), (1625, 15864), (1950, 13220), (1983, 13000), (2600, 9915), (2644, 9750), (3000, 8593), (3250, 7932), (3305, 7800), (3900, 6610), (3966, 6500), (4875, 5288)]