2539779980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{31963}}^1$

素因数の和:32138

約数の個数: 48

約数和(自身を含む): 5557900320

約数和(自身を除く): 3018120340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 137, 145, 274, 290, 548, 580, 685, 1370, 2740, 3973, 7946, 15892, 19865, 31963, 39730, 63926, 79460, 127852, 159815, 319630, 639260, 926927, 1853854, 3707708, 4378931, 4634635, 8757862, 9269270, 17515724, 18538540, 21894655, 43789310, 87578620, 126988999, 253977998, 507955996, 634944995, 1269889990, 2539779980]

約数ペア:

[(1, 2539779980), (2, 1269889990), (4, 634944995), (5, 507955996), (10, 253977998), (20, 126988999), (29, 87578620), (58, 43789310), (116, 21894655), (137, 18538540), (145, 17515724), (274, 9269270), (290, 8757862), (548, 4634635), (580, 4378931), (685, 3707708), (1370, 1853854), (2740, 926927), (3973, 639260), (7946, 319630), (15892, 159815), (19865, 127852), (31963, 79460), (39730, 63926)]