8061620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{647}}^1$

素因数の和:752

約数の個数: 48

約数和(自身を含む): 19595520

約数和(自身を除く): 11533900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 647, 890, 1246, 1294, 1780, 2492, 2588, 3115, 3235, 4529, 6230, 6470, 9058, 12460, 12940, 18116, 22645, 45290, 57583, 90580, 115166, 230332, 287915, 403081, 575830, 806162, 1151660, 1612324, 2015405, 4030810, 8061620]

約数ペア:

[(1, 8061620), (2, 4030810), (4, 2015405), (5, 1612324), (7, 1151660), (10, 806162), (14, 575830), (20, 403081), (28, 287915), (35, 230332), (70, 115166), (89, 90580), (140, 57583), (178, 45290), (356, 22645), (445, 18116), (623, 12940), (647, 12460), (890, 9058), (1246, 6470), (1294, 6230), (1780, 4529), (2492, 3235), (2588, 3115)]