2912243920

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1\times {\mathrm{1549}}^1$

素因数の和:1964

約数の個数: 80

約数和(自身を含む): 6891523200

約数和(自身を除く): 3979279280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 331, 355, 568, 662, 710, 1136, 1324, 1420, 1549, 1655, 2648, 2840, 3098, 3310, 5296, 5680, 6196, 6620, 7745, 12392, 13240, 15490, 23501, 24784, 26480, 30980, 47002, 61960, 94004, 109979, 117505, 123920, 188008, 219958, 235010, 376016, 439916, 470020, 512719, 549895, 879832, 940040, 1025438, 1099790, 1759664, 1880080, 2050876, 2199580, 2563595, 4101752, 4399160, 5127190, 8203504, 8798320, 10254380, 20508760, 36403049, 41017520, 72806098, 145612196, 182015245, 291224392, 364030490, 582448784, 728060980, 1456121960, 2912243920]

約数ペア:

[(1, 2912243920), (2, 1456121960), (4, 728060980), (5, 582448784), (8, 364030490), (10, 291224392), (16, 182015245), (20, 145612196), (40, 72806098), (71, 41017520), (80, 36403049), (142, 20508760), (284, 10254380), (331, 8798320), (355, 8203504), (568, 5127190), (662, 4399160), (710, 4101752), (1136, 2563595), (1324, 2199580), (1420, 2050876), (1549, 1880080), (1655, 1759664), (2648, 1099790), (2840, 1025438), (3098, 940040), (3310, 879832), (5296, 549895), (5680, 512719), (6196, 470020), (6620, 439916), (7745, 376016), (12392, 235010), (13240, 219958), (15490, 188008), (23501, 123920), (24784, 117505), (26480, 109979), (30980, 94004), (47002, 61960)]