13413920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6449}}^1$

素因数の和:6477

約数の個数: 48

約数和(自身を含む): 34133400

約数和(自身を除く): 20719480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 6449, 12898, 25796, 32245, 51592, 64490, 83837, 103184, 128980, 167674, 206368, 257960, 335348, 419185, 515920, 670696, 838370, 1031840, 1341392, 1676740, 2682784, 3353480, 6706960, 13413920]

約数ペア:

[(1, 13413920), (2, 6706960), (4, 3353480), (5, 2682784), (8, 1676740), (10, 1341392), (13, 1031840), (16, 838370), (20, 670696), (26, 515920), (32, 419185), (40, 335348), (52, 257960), (65, 206368), (80, 167674), (104, 128980), (130, 103184), (160, 83837), (208, 64490), (260, 51592), (416, 32245), (520, 25796), (1040, 12898), (2080, 6449)]