320415940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1033}}^1\times {\mathrm{1193}}^1$

素因数の和:2248

約数の個数: 48

約数和(自身を含む): 725942448

約数和(自身を除く): 405526508

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1033, 1193, 2066, 2386, 4132, 4772, 5165, 5965, 10330, 11930, 13429, 15509, 20660, 23860, 26858, 31018, 53716, 62036, 67145, 77545, 134290, 155090, 268580, 310180, 1232369, 2464738, 4929476, 6161845, 12323690, 16020797, 24647380, 32041594, 64083188, 80103985, 160207970, 320415940]

約数ペア:

[(1, 320415940), (2, 160207970), (4, 80103985), (5, 64083188), (10, 32041594), (13, 24647380), (20, 16020797), (26, 12323690), (52, 6161845), (65, 4929476), (130, 2464738), (260, 1232369), (1033, 310180), (1193, 268580), (2066, 155090), (2386, 134290), (4132, 77545), (4772, 67145), (5165, 62036), (5965, 53716), (10330, 31018), (11930, 26858), (13429, 23860), (15509, 20660)]