64961840

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{7589}}^1$

素因数の和:7709

約数の個数: 40

約数和(自身を含む): 152467920

約数和(自身を除く): 87506080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 4280, 7589, 8560, 15178, 30356, 37945, 60712, 75890, 121424, 151780, 303560, 607120, 812023, 1624046, 3248092, 4060115, 6496184, 8120230, 12992368, 16240460, 32480920, 64961840]

約数ペア:

[(1, 64961840), (2, 32480920), (4, 16240460), (5, 12992368), (8, 8120230), (10, 6496184), (16, 4060115), (20, 3248092), (40, 1624046), (80, 812023), (107, 607120), (214, 303560), (428, 151780), (535, 121424), (856, 75890), (1070, 60712), (1712, 37945), (2140, 30356), (4280, 15178), (7589, 8560)]