1518440020

素因数分解:

$2^2\times 5^1\times {\mathrm{2141}}^1\times {\mathrm{35461}}^1$

素因数の和:37611

約数の個数: 24

約数和(自身を含む): 3190303368

約数和(自身を除く): 1671863348

約数列:

[1, 2, 4, 5, 10, 20, 2141, 4282, 8564, 10705, 21410, 35461, 42820, 70922, 141844, 177305, 354610, 709220, 75922001, 151844002, 303688004, 379610005, 759220010, 1518440020]

約数ペア:

[(1, 1518440020), (2, 759220010), (4, 379610005), (5, 303688004), (10, 151844002), (20, 75922001), (2141, 709220), (4282, 354610), (8564, 177305), (10705, 141844), (21410, 70922), (35461, 42820)]