2656940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{929}}^1$

素因数の和:962

約数の個数: 48

約数和(自身を含む): 6562080

約数和(自身を除く): 3905140

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 929, 1430, 1858, 2860, 3716, 4645, 9290, 10219, 12077, 18580, 20438, 24154, 40876, 48308, 51095, 60385, 102190, 120770, 132847, 204380, 241540, 265694, 531388, 664235, 1328470, 2656940]

約数ペア:

[(1, 2656940), (2, 1328470), (4, 664235), (5, 531388), (10, 265694), (11, 241540), (13, 204380), (20, 132847), (22, 120770), (26, 102190), (44, 60385), (52, 51095), (55, 48308), (65, 40876), (110, 24154), (130, 20438), (143, 18580), (220, 12077), (260, 10219), (286, 9290), (572, 4645), (715, 3716), (929, 2860), (1430, 1858)]