54399940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{13399}}^1$

素因数の和:13444

約数の個数: 48

約数和(自身を含む): 135072000

約数和(自身を除く): 80672060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 13399, 26798, 53596, 66995, 93793, 133990, 187586, 267980, 375172, 388571, 468965, 777142, 937930, 1554284, 1875860, 1942855, 2719997, 3885710, 5439994, 7771420, 10879988, 13599985, 27199970, 54399940]

約数ペア:

[(1, 54399940), (2, 27199970), (4, 13599985), (5, 10879988), (7, 7771420), (10, 5439994), (14, 3885710), (20, 2719997), (28, 1942855), (29, 1875860), (35, 1554284), (58, 937930), (70, 777142), (116, 468965), (140, 388571), (145, 375172), (203, 267980), (290, 187586), (406, 133990), (580, 93793), (812, 66995), (1015, 53596), (2030, 26798), (4060, 13399)]