11198320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19997}}^1$

素因数の和:20017

約数の個数: 40

約数和(自身を含む): 29757024

約数和(自身を除く): 18558704

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 19997, 39994, 79988, 99985, 139979, 159976, 199970, 279958, 319952, 399940, 559916, 699895, 799880, 1119832, 1399790, 1599760, 2239664, 2799580, 5599160, 11198320]

約数ペア:

[(1, 11198320), (2, 5599160), (4, 2799580), (5, 2239664), (7, 1599760), (8, 1399790), (10, 1119832), (14, 799880), (16, 699895), (20, 559916), (28, 399940), (35, 319952), (40, 279958), (56, 199970), (70, 159976), (80, 139979), (112, 99985), (140, 79988), (280, 39994), (560, 19997)]