18227200

素因数分解:

$2^{13}\times 5^2\times {\mathrm{89}}^1$

素因数の和:125

約数の個数: 84

約数和(自身を含む): 45708570

約数和(自身を除く): 27481370

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 89, 100, 128, 160, 178, 200, 256, 320, 356, 400, 445, 512, 640, 712, 800, 890, 1024, 1280, 1424, 1600, 1780, 2048, 2225, 2560, 2848, 3200, 3560, 4096, 4450, 5120, 5696, 6400, 7120, 8192, 8900, 10240, 11392, 12800, 14240, 17800, 20480, 22784, 25600, 28480, 35600, 40960, 45568, 51200, 56960, 71200, 91136, 102400, 113920, 142400, 182272, 204800, 227840, 284800, 364544, 455680, 569600, 729088, 911360, 1139200, 1822720, 2278400, 3645440, 4556800, 9113600, 18227200]

約数ペア:

[(1, 18227200), (2, 9113600), (4, 4556800), (5, 3645440), (8, 2278400), (10, 1822720), (16, 1139200), (20, 911360), (25, 729088), (32, 569600), (40, 455680), (50, 364544), (64, 284800), (80, 227840), (89, 204800), (100, 182272), (128, 142400), (160, 113920), (178, 102400), (200, 91136), (256, 71200), (320, 56960), (356, 51200), (400, 45568), (445, 40960), (512, 35600), (640, 28480), (712, 25600), (800, 22784), (890, 20480), (1024, 17800), (1280, 14240), (1424, 12800), (1600, 11392), (1780, 10240), (2048, 8900), (2225, 8192), (2560, 7120), (2848, 6400), (3200, 5696), (3560, 5120), (4096, 4450)]