12999272960

素因数分解:

$2^9\times 5^1\times {\mathrm{127}}^1\times {\mathrm{39983}}^1$

素因数の和:40133

約数の個数: 80

約数和(自身を含む): 31413989376

約数和(自身を除く): 18414716416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 512, 635, 640, 1016, 1270, 1280, 2032, 2540, 2560, 4064, 5080, 8128, 10160, 16256, 20320, 32512, 39983, 40640, 65024, 79966, 81280, 159932, 162560, 199915, 319864, 325120, 399830, 639728, 799660, 1279456, 1599320, 2558912, 3198640, 5077841, 5117824, 6397280, 10155682, 10235648, 12794560, 20311364, 20471296, 25389205, 25589120, 40622728, 50778410, 51178240, 81245456, 101556820, 102356480, 162490912, 203113640, 324981824, 406227280, 649963648, 812454560, 1299927296, 1624909120, 2599854592, 3249818240, 6499636480, 12999272960]

約数ペア:

[(1, 12999272960), (2, 6499636480), (4, 3249818240), (5, 2599854592), (8, 1624909120), (10, 1299927296), (16, 812454560), (20, 649963648), (32, 406227280), (40, 324981824), (64, 203113640), (80, 162490912), (127, 102356480), (128, 101556820), (160, 81245456), (254, 51178240), (256, 50778410), (320, 40622728), (508, 25589120), (512, 25389205), (635, 20471296), (640, 20311364), (1016, 12794560), (1270, 10235648), (1280, 10155682), (2032, 6397280), (2540, 5117824), (2560, 5077841), (4064, 3198640), (5080, 2558912), (8128, 1599320), (10160, 1279456), (16256, 799660), (20320, 639728), (32512, 399830), (39983, 325120), (40640, 319864), (65024, 199915), (79966, 162560), (81280, 159932)]