13249940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{263}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 30602880

約数和(自身を除く): 17352940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 229, 263, 458, 526, 916, 1052, 1145, 1315, 2290, 2519, 2630, 2893, 4580, 5038, 5260, 5786, 10076, 11572, 12595, 14465, 25190, 28930, 50380, 57860, 60227, 120454, 240908, 301135, 602270, 662497, 1204540, 1324994, 2649988, 3312485, 6624970, 13249940]

約数ペア:

[(1, 13249940), (2, 6624970), (4, 3312485), (5, 2649988), (10, 1324994), (11, 1204540), (20, 662497), (22, 602270), (44, 301135), (55, 240908), (110, 120454), (220, 60227), (229, 57860), (263, 50380), (458, 28930), (526, 25190), (916, 14465), (1052, 12595), (1145, 11572), (1315, 10076), (2290, 5786), (2519, 5260), (2630, 5038), (2893, 4580)]