2689969000

素因数分解:

$2^3\times 5^3\times {\mathrm{41}}^1\times {\mathrm{65609}}^1$

素因数の和:65671

約数の個数: 64

約数和(自身を含む): 6448150800

約数和(自身を除く): 3758181800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 125, 164, 200, 205, 250, 328, 410, 500, 820, 1000, 1025, 1640, 2050, 4100, 5125, 8200, 10250, 20500, 41000, 65609, 131218, 262436, 328045, 524872, 656090, 1312180, 1640225, 2624360, 2689969, 3280450, 5379938, 6560900, 8201125, 10759876, 13121800, 13449845, 16402250, 21519752, 26899690, 32804500, 53799380, 65609000, 67249225, 107598760, 134498450, 268996900, 336246125, 537993800, 672492250, 1344984500, 2689969000]

約数ペア:

[(1, 2689969000), (2, 1344984500), (4, 672492250), (5, 537993800), (8, 336246125), (10, 268996900), (20, 134498450), (25, 107598760), (40, 67249225), (41, 65609000), (50, 53799380), (82, 32804500), (100, 26899690), (125, 21519752), (164, 16402250), (200, 13449845), (205, 13121800), (250, 10759876), (328, 8201125), (410, 6560900), (500, 5379938), (820, 3280450), (1000, 2689969), (1025, 2624360), (1640, 1640225), (2050, 1312180), (4100, 656090), (5125, 524872), (8200, 328045), (10250, 262436), (20500, 131218), (41000, 65609)]