8038400

素因数分解:

$2^{11}\times 5^2\times {\mathrm{157}}^1$

素因数の和:189

約数の個数: 72

約数和(自身を含む): 20057310

約数和(自身を除く): 12018910

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 157, 160, 200, 256, 314, 320, 400, 512, 628, 640, 785, 800, 1024, 1256, 1280, 1570, 1600, 2048, 2512, 2560, 3140, 3200, 3925, 5024, 5120, 6280, 6400, 7850, 10048, 10240, 12560, 12800, 15700, 20096, 25120, 25600, 31400, 40192, 50240, 51200, 62800, 80384, 100480, 125600, 160768, 200960, 251200, 321536, 401920, 502400, 803840, 1004800, 1607680, 2009600, 4019200, 8038400]

約数ペア:

[(1, 8038400), (2, 4019200), (4, 2009600), (5, 1607680), (8, 1004800), (10, 803840), (16, 502400), (20, 401920), (25, 321536), (32, 251200), (40, 200960), (50, 160768), (64, 125600), (80, 100480), (100, 80384), (128, 62800), (157, 51200), (160, 50240), (200, 40192), (256, 31400), (314, 25600), (320, 25120), (400, 20096), (512, 15700), (628, 12800), (640, 12560), (785, 10240), (800, 10048), (1024, 7850), (1256, 6400), (1280, 6280), (1570, 5120), (1600, 5024), (2048, 3925), (2512, 3200), (2560, 3140)]