18079750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{5563}}^1$

素因数の和:5593

約数の個数: 32

約数和(自身を含む): 36455328

約数和(自身を除く): 18375578

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 5563, 11126, 27815, 55630, 72319, 139075, 144638, 278150, 361595, 695375, 723190, 1390750, 1807975, 3615950, 9039875, 18079750]

約数ペア:

[(1, 18079750), (2, 9039875), (5, 3615950), (10, 1807975), (13, 1390750), (25, 723190), (26, 695375), (50, 361595), (65, 278150), (125, 144638), (130, 139075), (250, 72319), (325, 55630), (650, 27815), (1625, 11126), (3250, 5563)]