38778320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{69247}}^1$

素因数の和:69267

約数の個数: 40

約数和(自身を含む): 103041024

約数和(自身を除く): 64262704

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 69247, 138494, 276988, 346235, 484729, 553976, 692470, 969458, 1107952, 1384940, 1938916, 2423645, 2769880, 3877832, 4847290, 5539760, 7755664, 9694580, 19389160, 38778320]

約数ペア:

[(1, 38778320), (2, 19389160), (4, 9694580), (5, 7755664), (7, 5539760), (8, 4847290), (10, 3877832), (14, 2769880), (16, 2423645), (20, 1938916), (28, 1384940), (35, 1107952), (40, 969458), (56, 692470), (70, 553976), (80, 484729), (112, 346235), (140, 276988), (280, 138494), (560, 69247)]