40019420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{9857}}^1$

素因数の和:9902

約数の個数: 48

約数和(自身を含む): 99368640

約数和(自身を除く): 59349220

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, 9857, 19714, 39428, 49285, 68999, 98570, 137998, 197140, 275996, 285853, 344995, 571706, 689990, 1143412, 1379980, 1429265, 2000971, 2858530, 4001942, 5717060, 8003884, 10004855, 20009710, 40019420]

約数ペア:

[(1, 40019420), (2, 20009710), (4, 10004855), (5, 8003884), (7, 5717060), (10, 4001942), (14, 2858530), (20, 2000971), (28, 1429265), (29, 1379980), (35, 1143412), (58, 689990), (70, 571706), (116, 344995), (140, 285853), (145, 275996), (203, 197140), (290, 137998), (406, 98570), (580, 68999), (812, 49285), (1015, 39428), (2030, 19714), (4060, 9857)]