19539200

素因数分解:

$2^8\times 5^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:140

約数の個数: 108

約数和(自身を含む): 50184288

約数和(自身を除く): 30645088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 64, 71, 80, 86, 100, 128, 142, 160, 172, 200, 215, 256, 284, 320, 344, 355, 400, 430, 568, 640, 688, 710, 800, 860, 1075, 1136, 1280, 1376, 1420, 1600, 1720, 1775, 2150, 2272, 2752, 2840, 3053, 3200, 3440, 3550, 4300, 4544, 5504, 5680, 6106, 6400, 6880, 7100, 8600, 9088, 11008, 11360, 12212, 13760, 14200, 15265, 17200, 18176, 22720, 24424, 27520, 28400, 30530, 34400, 45440, 48848, 55040, 56800, 61060, 68800, 76325, 90880, 97696, 113600, 122120, 137600, 152650, 195392, 227200, 244240, 275200, 305300, 390784, 454400, 488480, 610600, 781568, 976960, 1221200, 1953920, 2442400, 3907840, 4884800, 9769600, 19539200]

約数ペア:

[(1, 19539200), (2, 9769600), (4, 4884800), (5, 3907840), (8, 2442400), (10, 1953920), (16, 1221200), (20, 976960), (25, 781568), (32, 610600), (40, 488480), (43, 454400), (50, 390784), (64, 305300), (71, 275200), (80, 244240), (86, 227200), (100, 195392), (128, 152650), (142, 137600), (160, 122120), (172, 113600), (200, 97696), (215, 90880), (256, 76325), (284, 68800), (320, 61060), (344, 56800), (355, 55040), (400, 48848), (430, 45440), (568, 34400), (640, 30530), (688, 28400), (710, 27520), (800, 24424), (860, 22720), (1075, 18176), (1136, 17200), (1280, 15265), (1376, 14200), (1420, 13760), (1600, 12212), (1720, 11360), (1775, 11008), (2150, 9088), (2272, 8600), (2752, 7100), (2840, 6880), (3053, 6400), (3200, 6106), (3440, 5680), (3550, 5504), (4300, 4544)]