13242580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{53}}^1$

素因数の和:137

約数の個数: 72

約数和(自身を含む): 31529736

約数和(自身を除く): 18287156

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 53, 62, 65, 106, 124, 130, 155, 212, 260, 265, 310, 403, 530, 620, 689, 806, 961, 1060, 1378, 1612, 1643, 1922, 2015, 2756, 3286, 3445, 3844, 4030, 4805, 6572, 6890, 8060, 8215, 9610, 12493, 13780, 16430, 19220, 21359, 24986, 32860, 42718, 49972, 50933, 62465, 85436, 101866, 106795, 124930, 203732, 213590, 249860, 254665, 427180, 509330, 662129, 1018660, 1324258, 2648516, 3310645, 6621290, 13242580]

約数ペア:

[(1, 13242580), (2, 6621290), (4, 3310645), (5, 2648516), (10, 1324258), (13, 1018660), (20, 662129), (26, 509330), (31, 427180), (52, 254665), (53, 249860), (62, 213590), (65, 203732), (106, 124930), (124, 106795), (130, 101866), (155, 85436), (212, 62465), (260, 50933), (265, 49972), (310, 42718), (403, 32860), (530, 24986), (620, 21359), (689, 19220), (806, 16430), (961, 13780), (1060, 12493), (1378, 9610), (1612, 8215), (1643, 8060), (1922, 6890), (2015, 6572), (2756, 4805), (3286, 4030), (3445, 3844)]