2003984291440

素因数分解:

$2^4\times 5^1\times {\mathrm{1409}}^1\times {\mathrm{17778427}}^1$

素因数の和:17779849

約数の個数: 40

約数和(自身を含む): 4662570527280

約数和(自身を除く): 2658586235840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1409, 2818, 5636, 7045, 11272, 14090, 22544, 28180, 56360, 112720, 17778427, 35556854, 71113708, 88892135, 142227416, 177784270, 284454832, 355568540, 711137080, 1422274160, 25049803643, 50099607286, 100199214572, 125249018215, 200398429144, 250498036430, 400796858288, 500996072860, 1001992145720, 2003984291440]

約数ペア:

[(1, 2003984291440), (2, 1001992145720), (4, 500996072860), (5, 400796858288), (8, 250498036430), (10, 200398429144), (16, 125249018215), (20, 100199214572), (40, 50099607286), (80, 25049803643), (1409, 1422274160), (2818, 711137080), (5636, 355568540), (7045, 284454832), (11272, 177784270), (14090, 142227416), (22544, 88892135), (28180, 71113708), (56360, 35556854), (112720, 17778427)]