27518660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1997}}^1$

素因数の和:2072

約数の個数: 48

約数和(自身を含む): 63440496

約数和(自身を除く): 35921836

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 1997, 2756, 3445, 3994, 6890, 7988, 9985, 13780, 19970, 25961, 39940, 51922, 103844, 105841, 129805, 211682, 259610, 423364, 519220, 529205, 1058410, 1375933, 2116820, 2751866, 5503732, 6879665, 13759330, 27518660]

約数ペア:

[(1, 27518660), (2, 13759330), (4, 6879665), (5, 5503732), (10, 2751866), (13, 2116820), (20, 1375933), (26, 1058410), (52, 529205), (53, 519220), (65, 423364), (106, 259610), (130, 211682), (212, 129805), (260, 105841), (265, 103844), (530, 51922), (689, 39940), (1060, 25961), (1378, 19970), (1997, 13780), (2756, 9985), (3445, 7988), (3994, 6890)]