13299880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{181}}^1$

素因数の和:370

約数の個数: 64

約数和(自身を含む): 33022080

約数和(自身を除く): 19722200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 167, 181, 220, 334, 362, 440, 668, 724, 835, 905, 1336, 1448, 1670, 1810, 1837, 1991, 3340, 3620, 3674, 3982, 6680, 7240, 7348, 7964, 9185, 9955, 14696, 15928, 18370, 19910, 30227, 36740, 39820, 60454, 73480, 79640, 120908, 151135, 241816, 302270, 332497, 604540, 664994, 1209080, 1329988, 1662485, 2659976, 3324970, 6649940, 13299880]

約数ペア:

[(1, 13299880), (2, 6649940), (4, 3324970), (5, 2659976), (8, 1662485), (10, 1329988), (11, 1209080), (20, 664994), (22, 604540), (40, 332497), (44, 302270), (55, 241816), (88, 151135), (110, 120908), (167, 79640), (181, 73480), (220, 60454), (334, 39820), (362, 36740), (440, 30227), (668, 19910), (724, 18370), (835, 15928), (905, 14696), (1336, 9955), (1448, 9185), (1670, 7964), (1810, 7348), (1837, 7240), (1991, 6680), (3340, 3982), (3620, 3674)]