71879860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{276461}}^1$

素因数の和:276483

約数の個数: 24

約数和(自身を含む): 162559656

約数和(自身を除く): 90679796

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 276461, 552922, 1105844, 1382305, 2764610, 3593993, 5529220, 7187986, 14375972, 17969965, 35939930, 71879860]

約数ペア:

[(1, 71879860), (2, 35939930), (4, 17969965), (5, 14375972), (10, 7187986), (13, 5529220), (20, 3593993), (26, 2764610), (52, 1382305), (65, 1105844), (130, 552922), (260, 276461)]