18565521400

素因数分解:

$2^3\times 5^2\times {\mathrm{79}}^1\times {\mathrm{449}}^1\times {\mathrm{2617}}^1$

素因数の和:3161

約数の個数: 96

約数和(自身を含む): 43825320000

約数和(自身を除く): 25259798600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 158, 200, 316, 395, 449, 632, 790, 898, 1580, 1796, 1975, 2245, 2617, 3160, 3592, 3950, 4490, 5234, 7900, 8980, 10468, 11225, 13085, 15800, 17960, 20936, 22450, 26170, 35471, 44900, 52340, 65425, 70942, 89800, 104680, 130850, 141884, 177355, 206743, 261700, 283768, 354710, 413486, 523400, 709420, 826972, 886775, 1033715, 1175033, 1418840, 1653944, 1773550, 2067430, 2350066, 3547100, 4134860, 4700132, 5168575, 5875165, 7094200, 8269720, 9400264, 10337150, 11750330, 20674300, 23500660, 29375825, 41348600, 47001320, 58751650, 92827607, 117503300, 185655214, 235006600, 371310428, 464138035, 742620856, 928276070, 1856552140, 2320690175, 3713104280, 4641380350, 9282760700, 18565521400]

約数ペア:

[(1, 18565521400), (2, 9282760700), (4, 4641380350), (5, 3713104280), (8, 2320690175), (10, 1856552140), (20, 928276070), (25, 742620856), (40, 464138035), (50, 371310428), (79, 235006600), (100, 185655214), (158, 117503300), (200, 92827607), (316, 58751650), (395, 47001320), (449, 41348600), (632, 29375825), (790, 23500660), (898, 20674300), (1580, 11750330), (1796, 10337150), (1975, 9400264), (2245, 8269720), (2617, 7094200), (3160, 5875165), (3592, 5168575), (3950, 4700132), (4490, 4134860), (5234, 3547100), (7900, 2350066), (8980, 2067430), (10468, 1773550), (11225, 1653944), (13085, 1418840), (15800, 1175033), (17960, 1033715), (20936, 886775), (22450, 826972), (26170, 709420), (35471, 523400), (44900, 413486), (52340, 354710), (65425, 283768), (70942, 261700), (89800, 206743), (104680, 177355), (130850, 141884)]