11655680

素因数分解:

$2^9\times 5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:209

約数の個数: 80

約数和(自身を含む): 29094120

約数和(自身を除く): 17438440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 157, 160, 232, 256, 290, 314, 320, 464, 512, 580, 628, 640, 785, 928, 1160, 1256, 1280, 1570, 1856, 2320, 2512, 2560, 3140, 3712, 4553, 4640, 5024, 6280, 7424, 9106, 9280, 10048, 12560, 14848, 18212, 18560, 20096, 22765, 25120, 36424, 37120, 40192, 45530, 50240, 72848, 74240, 80384, 91060, 100480, 145696, 182120, 200960, 291392, 364240, 401920, 582784, 728480, 1165568, 1456960, 2331136, 2913920, 5827840, 11655680]

約数ペア:

[(1, 11655680), (2, 5827840), (4, 2913920), (5, 2331136), (8, 1456960), (10, 1165568), (16, 728480), (20, 582784), (29, 401920), (32, 364240), (40, 291392), (58, 200960), (64, 182120), (80, 145696), (116, 100480), (128, 91060), (145, 80384), (157, 74240), (160, 72848), (232, 50240), (256, 45530), (290, 40192), (314, 37120), (320, 36424), (464, 25120), (512, 22765), (580, 20096), (628, 18560), (640, 18212), (785, 14848), (928, 12560), (1160, 10048), (1256, 9280), (1280, 9106), (1570, 7424), (1856, 6280), (2320, 5024), (2512, 4640), (2560, 4553), (3140, 3712)]