20108314480

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1093}}^1\times {\mathrm{4339}}^1$

素因数の和:5498

約数の個数: 80

約数和(自身を含む): 47688510240

約数和(自身を除く): 27580195760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 1093, 2120, 2186, 4240, 4339, 4372, 5465, 8678, 8744, 10930, 17356, 17488, 21695, 21860, 34712, 43390, 43720, 57929, 69424, 86780, 87440, 115858, 173560, 229967, 231716, 289645, 347120, 459934, 463432, 579290, 919868, 926864, 1149835, 1158580, 1839736, 2299670, 2317160, 3679472, 4599340, 4634320, 4742527, 9198680, 9485054, 18397360, 18970108, 23712635, 37940216, 47425270, 75880432, 94850540, 189701080, 251353931, 379402160, 502707862, 1005415724, 1256769655, 2010831448, 2513539310, 4021662896, 5027078620, 10054157240, 20108314480]

約数ペア:

[(1, 20108314480), (2, 10054157240), (4, 5027078620), (5, 4021662896), (8, 2513539310), (10, 2010831448), (16, 1256769655), (20, 1005415724), (40, 502707862), (53, 379402160), (80, 251353931), (106, 189701080), (212, 94850540), (265, 75880432), (424, 47425270), (530, 37940216), (848, 23712635), (1060, 18970108), (1093, 18397360), (2120, 9485054), (2186, 9198680), (4240, 4742527), (4339, 4634320), (4372, 4599340), (5465, 3679472), (8678, 2317160), (8744, 2299670), (10930, 1839736), (17356, 1158580), (17488, 1149835), (21695, 926864), (21860, 919868), (34712, 579290), (43390, 463432), (43720, 459934), (57929, 347120), (69424, 289645), (86780, 231716), (87440, 229967), (115858, 173560)]