520066993720

素因数分解:

$2^3\times 5^1\times {\mathrm{563}}^1\times {\mathrm{719}}^1\times {\mathrm{32119}}^1$

素因数の和:33412

約数の個数: 64

約数和(自身を含む): 1173896064000

約数和(自身を除く): 653829070280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 563, 719, 1126, 1438, 2252, 2815, 2876, 3595, 4504, 5630, 5752, 7190, 11260, 14380, 22520, 28760, 32119, 64238, 128476, 160595, 256952, 321190, 404797, 642380, 809594, 1284760, 1619188, 2023985, 3238376, 4047970, 8095940, 16191880, 18082997, 23093561, 36165994, 46187122, 72331988, 90414985, 92374244, 115467805, 144663976, 180829970, 184748488, 230935610, 361659940, 461871220, 723319880, 923742440, 13001674843, 26003349686, 52006699372, 65008374215, 104013398744, 130016748430, 260033496860, 520066993720]

約数ペア:

[(1, 520066993720), (2, 260033496860), (4, 130016748430), (5, 104013398744), (8, 65008374215), (10, 52006699372), (20, 26003349686), (40, 13001674843), (563, 923742440), (719, 723319880), (1126, 461871220), (1438, 361659940), (2252, 230935610), (2815, 184748488), (2876, 180829970), (3595, 144663976), (4504, 115467805), (5630, 92374244), (5752, 90414985), (7190, 72331988), (11260, 46187122), (14380, 36165994), (22520, 23093561), (28760, 18082997), (32119, 16191880), (64238, 8095940), (128476, 4047970), (160595, 3238376), (256952, 2023985), (321190, 1619188), (404797, 1284760), (642380, 809594)]