2913920

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:205

約数の個数: 64

約数和(自身を含む): 7252200

約数和(自身を除く): 4338280

約数列:

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

約数ペア:

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