1388577520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{14747}}^1$

素因数の和:14878

約数の個数: 80

約数和(自身を含む): 3555093888

約数和(自身を除く): 2166516368

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 107, 110, 176, 214, 220, 428, 440, 535, 856, 880, 1070, 1177, 1712, 2140, 2354, 4280, 4708, 5885, 8560, 9416, 11770, 14747, 18832, 23540, 29494, 47080, 58988, 73735, 94160, 117976, 147470, 162217, 235952, 294940, 324434, 589880, 648868, 811085, 1179760, 1297736, 1577929, 1622170, 2595472, 3155858, 3244340, 6311716, 6488680, 7889645, 12623432, 12977360, 15779290, 17357219, 25246864, 31558580, 34714438, 63117160, 69428876, 86786095, 126234320, 138857752, 173572190, 277715504, 347144380, 694288760, 1388577520]

約数ペア:

[(1, 1388577520), (2, 694288760), (4, 347144380), (5, 277715504), (8, 173572190), (10, 138857752), (11, 126234320), (16, 86786095), (20, 69428876), (22, 63117160), (40, 34714438), (44, 31558580), (55, 25246864), (80, 17357219), (88, 15779290), (107, 12977360), (110, 12623432), (176, 7889645), (214, 6488680), (220, 6311716), (428, 3244340), (440, 3155858), (535, 2595472), (856, 1622170), (880, 1577929), (1070, 1297736), (1177, 1179760), (1712, 811085), (2140, 648868), (2354, 589880), (4280, 324434), (4708, 294940), (5885, 235952), (8560, 162217), (9416, 147470), (11770, 117976), (14747, 94160), (18832, 73735), (23540, 58988), (29494, 47080)]