12885860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1709}}^1$

素因数の和:1760

約数の個数: 48

約数和(自身を含む): 30164400

約数和(自身を除く): 17278540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1709, 1885, 3418, 3770, 6836, 7540, 8545, 17090, 22217, 34180, 44434, 49561, 88868, 99122, 111085, 198244, 222170, 247805, 444340, 495610, 644293, 991220, 1288586, 2577172, 3221465, 6442930, 12885860]

約数ペア:

[(1, 12885860), (2, 6442930), (4, 3221465), (5, 2577172), (10, 1288586), (13, 991220), (20, 644293), (26, 495610), (29, 444340), (52, 247805), (58, 222170), (65, 198244), (116, 111085), (130, 99122), (145, 88868), (260, 49561), (290, 44434), (377, 34180), (580, 22217), (754, 17090), (1508, 8545), (1709, 7540), (1885, 6836), (3418, 3770)]