5590040

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:180

約数の個数: 64

約数和(自身を含む): 13392000

約数和(自身を除く): 7801960

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 61, 79, 116, 122, 145, 158, 232, 244, 290, 305, 316, 395, 488, 580, 610, 632, 790, 1160, 1220, 1580, 1769, 2291, 2440, 3160, 3538, 4582, 4819, 7076, 8845, 9164, 9638, 11455, 14152, 17690, 18328, 19276, 22910, 24095, 35380, 38552, 45820, 48190, 70760, 91640, 96380, 139751, 192760, 279502, 559004, 698755, 1118008, 1397510, 2795020, 5590040]

約数ペア:

[(1, 5590040), (2, 2795020), (4, 1397510), (5, 1118008), (8, 698755), (10, 559004), (20, 279502), (29, 192760), (40, 139751), (58, 96380), (61, 91640), (79, 70760), (116, 48190), (122, 45820), (145, 38552), (158, 35380), (232, 24095), (244, 22910), (290, 19276), (305, 18328), (316, 17690), (395, 14152), (488, 11455), (580, 9638), (610, 9164), (632, 8845), (790, 7076), (1160, 4819), (1220, 4582), (1580, 3538), (1769, 3160), (2291, 2440)]