53923220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1321}}^1$

素因数の和:1500

約数の個数: 48

約数和(自身を含む): 122819088

約数和(自身を除く): 68895868

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 157, 260, 314, 628, 785, 1321, 1570, 2041, 2642, 3140, 4082, 5284, 6605, 8164, 10205, 13210, 17173, 20410, 26420, 34346, 40820, 68692, 85865, 171730, 207397, 343460, 414794, 829588, 1036985, 2073970, 2696161, 4147940, 5392322, 10784644, 13480805, 26961610, 53923220]

約数ペア:

[(1, 53923220), (2, 26961610), (4, 13480805), (5, 10784644), (10, 5392322), (13, 4147940), (20, 2696161), (26, 2073970), (52, 1036985), (65, 829588), (130, 414794), (157, 343460), (260, 207397), (314, 171730), (628, 85865), (785, 68692), (1321, 40820), (1570, 34346), (2041, 26420), (2642, 20410), (3140, 17173), (4082, 13210), (5284, 10205), (6605, 8164)]