81493550

素因数分解:

$2^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{269}}^1$

素因数の和:437

約数の個数: 48

約数和(自身を含む): 156083760

約数和(自身を除く): 74590210

約数列:

[1, 2, 5, 10, 25, 50, 73, 83, 146, 166, 269, 365, 415, 538, 730, 830, 1345, 1825, 2075, 2690, 3650, 4150, 6059, 6725, 12118, 13450, 19637, 22327, 30295, 39274, 44654, 60590, 98185, 111635, 151475, 196370, 223270, 302950, 490925, 558175, 981850, 1116350, 1629871, 3259742, 8149355, 16298710, 40746775, 81493550]

約数ペア:

[(1, 81493550), (2, 40746775), (5, 16298710), (10, 8149355), (25, 3259742), (50, 1629871), (73, 1116350), (83, 981850), (146, 558175), (166, 490925), (269, 302950), (365, 223270), (415, 196370), (538, 151475), (730, 111635), (830, 98185), (1345, 60590), (1825, 44654), (2075, 39274), (2690, 30295), (3650, 22327), (4150, 19637), (6059, 13450), (6725, 12118)]