56649640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{569}}^1$

素因数の和:730

約数の個数: 64

約数和(自身を含む): 135432000

約数和(自身を除く): 78782360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 131, 152, 190, 262, 380, 524, 569, 655, 760, 1048, 1138, 1310, 2276, 2489, 2620, 2845, 4552, 4978, 5240, 5690, 9956, 10811, 11380, 12445, 19912, 21622, 22760, 24890, 43244, 49780, 54055, 74539, 86488, 99560, 108110, 149078, 216220, 298156, 372695, 432440, 596312, 745390, 1416241, 1490780, 2832482, 2981560, 5664964, 7081205, 11329928, 14162410, 28324820, 56649640]

約数ペア:

[(1, 56649640), (2, 28324820), (4, 14162410), (5, 11329928), (8, 7081205), (10, 5664964), (19, 2981560), (20, 2832482), (38, 1490780), (40, 1416241), (76, 745390), (95, 596312), (131, 432440), (152, 372695), (190, 298156), (262, 216220), (380, 149078), (524, 108110), (569, 99560), (655, 86488), (760, 74539), (1048, 54055), (1138, 49780), (1310, 43244), (2276, 24890), (2489, 22760), (2620, 21622), (2845, 19912), (4552, 12445), (4978, 11380), (5240, 10811), (5690, 9956)]