64952560

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{15319}}^1$

素因数の和:15385

約数の個数: 40

約数和(自身を含む): 153874080

約数和(自身を除く): 88921520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 15319, 30638, 61276, 76595, 122552, 153190, 245104, 306380, 612760, 811907, 1225520, 1623814, 3247628, 4059535, 6495256, 8119070, 12990512, 16238140, 32476280, 64952560]

約数ペア:

[(1, 64952560), (2, 32476280), (4, 16238140), (5, 12990512), (8, 8119070), (10, 6495256), (16, 4059535), (20, 3247628), (40, 1623814), (53, 1225520), (80, 811907), (106, 612760), (212, 306380), (265, 245104), (424, 153190), (530, 122552), (848, 76595), (1060, 61276), (2120, 30638), (4240, 15319)]