12321160

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3461}}^1$

素因数の和:3561

約数の個数: 32

約数和(自身を含む): 28042200

約数和(自身を除く): 15721040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3461, 3560, 6922, 13844, 17305, 27688, 34610, 69220, 138440, 308029, 616058, 1232116, 1540145, 2464232, 3080290, 6160580, 12321160]

約数ペア:

[(1, 12321160), (2, 6160580), (4, 3080290), (5, 2464232), (8, 1540145), (10, 1232116), (20, 616058), (40, 308029), (89, 138440), (178, 69220), (356, 34610), (445, 27688), (712, 17305), (890, 13844), (1780, 6922), (3461, 3560)]