12949660

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{269}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 28576800

約数和(自身を除く): 15627140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 83, 116, 145, 166, 269, 290, 332, 415, 538, 580, 830, 1076, 1345, 1660, 2407, 2690, 4814, 5380, 7801, 9628, 12035, 15602, 22327, 24070, 31204, 39005, 44654, 48140, 78010, 89308, 111635, 156020, 223270, 446540, 647483, 1294966, 2589932, 3237415, 6474830, 12949660]

約数ペア:

[(1, 12949660), (2, 6474830), (4, 3237415), (5, 2589932), (10, 1294966), (20, 647483), (29, 446540), (58, 223270), (83, 156020), (116, 111635), (145, 89308), (166, 78010), (269, 48140), (290, 44654), (332, 39005), (415, 31204), (538, 24070), (580, 22327), (830, 15602), (1076, 12035), (1345, 9628), (1660, 7801), (2407, 5380), (2690, 4814)]