13998920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26921}}^1$

素因数の和:26945

約数の個数: 32

約数和(自身を含む): 33921720

約数和(自身を除く): 19922800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 26921, 53842, 107684, 134605, 215368, 269210, 349973, 538420, 699946, 1076840, 1399892, 1749865, 2799784, 3499730, 6999460, 13998920]

約数ペア:

[(1, 13998920), (2, 6999460), (4, 3499730), (5, 2799784), (8, 1749865), (10, 1399892), (13, 1076840), (20, 699946), (26, 538420), (40, 349973), (52, 269210), (65, 215368), (104, 134605), (130, 107684), (260, 53842), (520, 26921)]