140748920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{5107}}^1$

素因数の和:5184

約数の個数: 64

約数和(自身を含む): 347548320

約数和(自身を除く): 206799400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 104, 106, 130, 212, 260, 265, 424, 520, 530, 689, 1060, 1378, 2120, 2756, 3445, 5107, 5512, 6890, 10214, 13780, 20428, 25535, 27560, 40856, 51070, 66391, 102140, 132782, 204280, 265564, 270671, 331955, 531128, 541342, 663910, 1082684, 1327820, 1353355, 2165368, 2655640, 2706710, 3518723, 5413420, 7037446, 10826840, 14074892, 17593615, 28149784, 35187230, 70374460, 140748920]

約数ペア:

[(1, 140748920), (2, 70374460), (4, 35187230), (5, 28149784), (8, 17593615), (10, 14074892), (13, 10826840), (20, 7037446), (26, 5413420), (40, 3518723), (52, 2706710), (53, 2655640), (65, 2165368), (104, 1353355), (106, 1327820), (130, 1082684), (212, 663910), (260, 541342), (265, 531128), (424, 331955), (520, 270671), (530, 265564), (689, 204280), (1060, 132782), (1378, 102140), (2120, 66391), (2756, 51070), (3445, 40856), (5107, 27560), (5512, 25535), (6890, 20428), (10214, 13780)]