39697540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{409}}^1$

素因数の和:652

約数の個数: 48

約数和(自身を含む): 87615360

約数和(自身を除く): 47917820

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 211, 230, 409, 422, 460, 818, 844, 1055, 1636, 2045, 2110, 4090, 4220, 4853, 8180, 9407, 9706, 18814, 19412, 24265, 37628, 47035, 48530, 86299, 94070, 97060, 172598, 188140, 345196, 431495, 862990, 1725980, 1984877, 3969754, 7939508, 9924385, 19848770, 39697540]

約数ペア:

[(1, 39697540), (2, 19848770), (4, 9924385), (5, 7939508), (10, 3969754), (20, 1984877), (23, 1725980), (46, 862990), (92, 431495), (115, 345196), (211, 188140), (230, 172598), (409, 97060), (422, 94070), (460, 86299), (818, 48530), (844, 47035), (1055, 37628), (1636, 24265), (2045, 19412), (2110, 18814), (4090, 9706), (4220, 9407), (4853, 8180)]