13239940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5563}}^1$

素因数の和:5596

約数の個数: 48

約数和(自身を含む): 33651072

約数和(自身を除く): 20411132

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 5563, 11126, 22252, 27815, 38941, 55630, 77882, 94571, 111260, 155764, 189142, 194705, 378284, 389410, 472855, 661997, 778820, 945710, 1323994, 1891420, 2647988, 3309985, 6619970, 13239940]

約数ペア:

[(1, 13239940), (2, 6619970), (4, 3309985), (5, 2647988), (7, 1891420), (10, 1323994), (14, 945710), (17, 778820), (20, 661997), (28, 472855), (34, 389410), (35, 378284), (68, 194705), (70, 189142), (85, 155764), (119, 111260), (140, 94571), (170, 77882), (238, 55630), (340, 38941), (476, 27815), (595, 22252), (1190, 11126), (2380, 5563)]