78008560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{139301}}^1$

素因数の和:139321

約数の個数: 40

約数和(自身を含む): 207281376

約数和(自身を除く): 129272816

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 139301, 278602, 557204, 696505, 975107, 1114408, 1393010, 1950214, 2228816, 2786020, 3900428, 4875535, 5572040, 7800856, 9751070, 11144080, 15601712, 19502140, 39004280, 78008560]

約数ペア:

[(1, 78008560), (2, 39004280), (4, 19502140), (5, 15601712), (7, 11144080), (8, 9751070), (10, 7800856), (14, 5572040), (16, 4875535), (20, 3900428), (28, 2786020), (35, 2228816), (40, 1950214), (56, 1393010), (70, 1114408), (80, 975107), (112, 696505), (140, 557204), (280, 278602), (560, 139301)]