19673600

素因数分解:

$2^9\times 5^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:110

約数の個数: 120

約数和(自身を含む): 51375060

約数和(自身を除く): 31701460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 32, 40, 50, 53, 58, 64, 80, 100, 106, 116, 128, 145, 160, 200, 212, 232, 256, 265, 290, 320, 400, 424, 464, 512, 530, 580, 640, 725, 800, 848, 928, 1060, 1160, 1280, 1325, 1450, 1537, 1600, 1696, 1856, 2120, 2320, 2560, 2650, 2900, 3074, 3200, 3392, 3712, 4240, 4640, 5300, 5800, 6148, 6400, 6784, 7424, 7685, 8480, 9280, 10600, 11600, 12296, 12800, 13568, 14848, 15370, 16960, 18560, 21200, 23200, 24592, 27136, 30740, 33920, 37120, 38425, 42400, 46400, 49184, 61480, 67840, 74240, 76850, 84800, 92800, 98368, 122960, 135680, 153700, 169600, 185600, 196736, 245920, 307400, 339200, 371200, 393472, 491840, 614800, 678400, 786944, 983680, 1229600, 1967360, 2459200, 3934720, 4918400, 9836800, 19673600]

約数ペア:

[(1, 19673600), (2, 9836800), (4, 4918400), (5, 3934720), (8, 2459200), (10, 1967360), (16, 1229600), (20, 983680), (25, 786944), (29, 678400), (32, 614800), (40, 491840), (50, 393472), (53, 371200), (58, 339200), (64, 307400), (80, 245920), (100, 196736), (106, 185600), (116, 169600), (128, 153700), (145, 135680), (160, 122960), (200, 98368), (212, 92800), (232, 84800), (256, 76850), (265, 74240), (290, 67840), (320, 61480), (400, 49184), (424, 46400), (464, 42400), (512, 38425), (530, 37120), (580, 33920), (640, 30740), (725, 27136), (800, 24592), (848, 23200), (928, 21200), (1060, 18560), (1160, 16960), (1280, 15370), (1325, 14848), (1450, 13568), (1537, 12800), (1600, 12296), (1696, 11600), (1856, 10600), (2120, 9280), (2320, 8480), (2560, 7685), (2650, 7424), (2900, 6784), (3074, 6400), (3200, 6148), (3392, 5800), (3712, 5300), (4240, 4640)]