8205470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:225

約数の個数: 64

約数和(自身を含む): 18579456

約数和(自身を除く): 10373986

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 71, 91, 127, 130, 142, 182, 254, 355, 455, 497, 635, 710, 889, 910, 923, 994, 1270, 1651, 1778, 1846, 2485, 3302, 4445, 4615, 4970, 6461, 8255, 8890, 9017, 9230, 11557, 12922, 16510, 18034, 23114, 32305, 45085, 57785, 63119, 64610, 90170, 115570, 117221, 126238, 234442, 315595, 586105, 631190, 820547, 1172210, 1641094, 4102735, 8205470]

約数ペア:

[(1, 8205470), (2, 4102735), (5, 1641094), (7, 1172210), (10, 820547), (13, 631190), (14, 586105), (26, 315595), (35, 234442), (65, 126238), (70, 117221), (71, 115570), (91, 90170), (127, 64610), (130, 63119), (142, 57785), (182, 45085), (254, 32305), (355, 23114), (455, 18034), (497, 16510), (635, 12922), (710, 11557), (889, 9230), (910, 9017), (923, 8890), (994, 8255), (1270, 6461), (1651, 4970), (1778, 4615), (1846, 4445), (2485, 3302)]