16812800

素因数分解:

$2^8\times 5^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:134

約数の個数: 108

約数和(自身を含む): 43340976

約数和(自身を除く): 26528176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 37, 40, 50, 64, 71, 74, 80, 100, 128, 142, 148, 160, 185, 200, 256, 284, 296, 320, 355, 370, 400, 568, 592, 640, 710, 740, 800, 925, 1136, 1184, 1280, 1420, 1480, 1600, 1775, 1850, 2272, 2368, 2627, 2840, 2960, 3200, 3550, 3700, 4544, 4736, 5254, 5680, 5920, 6400, 7100, 7400, 9088, 9472, 10508, 11360, 11840, 13135, 14200, 14800, 18176, 21016, 22720, 23680, 26270, 28400, 29600, 42032, 45440, 47360, 52540, 56800, 59200, 65675, 84064, 90880, 105080, 113600, 118400, 131350, 168128, 210160, 227200, 236800, 262700, 336256, 420320, 454400, 525400, 672512, 840640, 1050800, 1681280, 2101600, 3362560, 4203200, 8406400, 16812800]

約数ペア:

[(1, 16812800), (2, 8406400), (4, 4203200), (5, 3362560), (8, 2101600), (10, 1681280), (16, 1050800), (20, 840640), (25, 672512), (32, 525400), (37, 454400), (40, 420320), (50, 336256), (64, 262700), (71, 236800), (74, 227200), (80, 210160), (100, 168128), (128, 131350), (142, 118400), (148, 113600), (160, 105080), (185, 90880), (200, 84064), (256, 65675), (284, 59200), (296, 56800), (320, 52540), (355, 47360), (370, 45440), (400, 42032), (568, 29600), (592, 28400), (640, 26270), (710, 23680), (740, 22720), (800, 21016), (925, 18176), (1136, 14800), (1184, 14200), (1280, 13135), (1420, 11840), (1480, 11360), (1600, 10508), (1775, 9472), (1850, 9088), (2272, 7400), (2368, 7100), (2627, 6400), (2840, 5920), (2960, 5680), (3200, 5254), (3550, 4736), (3700, 4544)]