28893760

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{12899}}^1$

素因数の和:12923

約数の個数: 56

約数和(自身を含む): 78638400

約数和(自身を除く): 49744640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 12899, 25798, 51596, 64495, 90293, 103192, 128990, 180586, 206384, 257980, 361172, 412768, 451465, 515960, 722344, 825536, 902930, 1031920, 1444688, 1805860, 2063840, 2889376, 3611720, 4127680, 5778752, 7223440, 14446880, 28893760]

約数ペア:

[(1, 28893760), (2, 14446880), (4, 7223440), (5, 5778752), (7, 4127680), (8, 3611720), (10, 2889376), (14, 2063840), (16, 1805860), (20, 1444688), (28, 1031920), (32, 902930), (35, 825536), (40, 722344), (56, 515960), (64, 451465), (70, 412768), (80, 361172), (112, 257980), (140, 206384), (160, 180586), (224, 128990), (280, 103192), (320, 90293), (448, 64495), (560, 51596), (1120, 25798), (2240, 12899)]