16403140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:269

約数の個数: 72

約数和(自身を含む): 39106368

約数和(自身を除く): 22703228

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 169, 211, 230, 260, 299, 338, 422, 460, 598, 676, 844, 845, 1055, 1196, 1495, 1690, 2110, 2743, 2990, 3380, 3887, 4220, 4853, 5486, 5980, 7774, 9706, 10972, 13715, 15548, 19412, 19435, 24265, 27430, 35659, 38870, 48530, 54860, 63089, 71318, 77740, 97060, 126178, 142636, 178295, 252356, 315445, 356590, 630890, 713180, 820157, 1261780, 1640314, 3280628, 4100785, 8201570, 16403140]

約数ペア:

[(1, 16403140), (2, 8201570), (4, 4100785), (5, 3280628), (10, 1640314), (13, 1261780), (20, 820157), (23, 713180), (26, 630890), (46, 356590), (52, 315445), (65, 252356), (92, 178295), (115, 142636), (130, 126178), (169, 97060), (211, 77740), (230, 71318), (260, 63089), (299, 54860), (338, 48530), (422, 38870), (460, 35659), (598, 27430), (676, 24265), (844, 19435), (845, 19412), (1055, 15548), (1196, 13715), (1495, 10972), (1690, 9706), (2110, 7774), (2743, 5980), (2990, 5486), (3380, 4853), (3887, 4220)]