2800090720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{2500081}}^1$

素因数の和:2500103

約数の個数: 48

約数和(自身を含む): 7560247968

約数和(自身を除く): 4760157248

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 2500081, 5000162, 10000324, 12500405, 17500567, 20000648, 25000810, 35001134, 40001296, 50001620, 70002268, 80002592, 87502835, 100003240, 140004536, 175005670, 200006480, 280009072, 350011340, 400012960, 560018144, 700022680, 1400045360, 2800090720]

約数ペア:

[(1, 2800090720), (2, 1400045360), (4, 700022680), (5, 560018144), (7, 400012960), (8, 350011340), (10, 280009072), (14, 200006480), (16, 175005670), (20, 140004536), (28, 100003240), (32, 87502835), (35, 80002592), (40, 70002268), (56, 50001620), (70, 40001296), (80, 35001134), (112, 25000810), (140, 20000648), (160, 17500567), (224, 12500405), (280, 10000324), (560, 5000162), (1120, 2500081)]