18824000

素因数分解:

$2^6\times 5^3\times {\mathrm{13}}^1\times {\mathrm{181}}^1$

素因数の和:221

約数の個数: 112

約数和(自身を含む): 50480976

約数和(自身を除く): 31656976

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 125, 130, 160, 181, 200, 208, 250, 260, 320, 325, 362, 400, 416, 500, 520, 650, 724, 800, 832, 905, 1000, 1040, 1300, 1448, 1600, 1625, 1810, 2000, 2080, 2353, 2600, 2896, 3250, 3620, 4000, 4160, 4525, 4706, 5200, 5792, 6500, 7240, 8000, 9050, 9412, 10400, 11584, 11765, 13000, 14480, 18100, 18824, 20800, 22625, 23530, 26000, 28960, 36200, 37648, 45250, 47060, 52000, 57920, 58825, 72400, 75296, 90500, 94120, 104000, 117650, 144800, 150592, 181000, 188240, 235300, 289600, 294125, 362000, 376480, 470600, 588250, 724000, 752960, 941200, 1176500, 1448000, 1882400, 2353000, 3764800, 4706000, 9412000, 18824000]

約数ペア:

[(1, 18824000), (2, 9412000), (4, 4706000), (5, 3764800), (8, 2353000), (10, 1882400), (13, 1448000), (16, 1176500), (20, 941200), (25, 752960), (26, 724000), (32, 588250), (40, 470600), (50, 376480), (52, 362000), (64, 294125), (65, 289600), (80, 235300), (100, 188240), (104, 181000), (125, 150592), (130, 144800), (160, 117650), (181, 104000), (200, 94120), (208, 90500), (250, 75296), (260, 72400), (320, 58825), (325, 57920), (362, 52000), (400, 47060), (416, 45250), (500, 37648), (520, 36200), (650, 28960), (724, 26000), (800, 23530), (832, 22625), (905, 20800), (1000, 18824), (1040, 18100), (1300, 14480), (1448, 13000), (1600, 11765), (1625, 11584), (1810, 10400), (2000, 9412), (2080, 9050), (2353, 8000), (2600, 7240), (2896, 6500), (3250, 5792), (3620, 5200), (4000, 4706), (4160, 4525)]