20162340350

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{28859}}^1$

素因数の和:29117

約数の個数: 48

約数和(自身を含む): 38166195600

約数和(自身を除く): 18003855250

約数列:

[1, 2, 5, 10, 25, 50, 89, 157, 178, 314, 445, 785, 890, 1570, 2225, 3925, 4450, 7850, 13973, 27946, 28859, 57718, 69865, 139730, 144295, 288590, 349325, 698650, 721475, 1442950, 2568451, 4530863, 5136902, 9061726, 12842255, 22654315, 25684510, 45308630, 64211275, 113271575, 128422550, 226543150, 403246807, 806493614, 2016234035, 4032468070, 10081170175, 20162340350]

約数ペア:

[(1, 20162340350), (2, 10081170175), (5, 4032468070), (10, 2016234035), (25, 806493614), (50, 403246807), (89, 226543150), (157, 128422550), (178, 113271575), (314, 64211275), (445, 45308630), (785, 25684510), (890, 22654315), (1570, 12842255), (2225, 9061726), (3925, 5136902), (4450, 4530863), (7850, 2568451), (13973, 1442950), (27946, 721475), (28859, 698650), (57718, 349325), (69865, 288590), (139730, 144295)]