12992720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^2$

素因数の和:101

約数の個数: 90

約数和(自身を含む): 33799734

約数和(自身を除く): 20807014

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 169, 208, 248, 260, 310, 338, 403, 496, 520, 620, 676, 806, 845, 961, 1040, 1240, 1352, 1612, 1690, 1922, 2015, 2480, 2704, 3224, 3380, 3844, 4030, 4805, 5239, 6448, 6760, 7688, 8060, 9610, 10478, 12493, 13520, 15376, 16120, 19220, 20956, 24986, 26195, 32240, 38440, 41912, 49972, 52390, 62465, 76880, 83824, 99944, 104780, 124930, 162409, 199888, 209560, 249860, 324818, 419120, 499720, 649636, 812045, 999440, 1299272, 1624090, 2598544, 3248180, 6496360, 12992720]

約数ペア:

[(1, 12992720), (2, 6496360), (4, 3248180), (5, 2598544), (8, 1624090), (10, 1299272), (13, 999440), (16, 812045), (20, 649636), (26, 499720), (31, 419120), (40, 324818), (52, 249860), (62, 209560), (65, 199888), (80, 162409), (104, 124930), (124, 104780), (130, 99944), (155, 83824), (169, 76880), (208, 62465), (248, 52390), (260, 49972), (310, 41912), (338, 38440), (403, 32240), (496, 26195), (520, 24986), (620, 20956), (676, 19220), (806, 16120), (845, 15376), (961, 13520), (1040, 12493), (1240, 10478), (1352, 9610), (1612, 8060), (1690, 7688), (1922, 6760), (2015, 6448), (2480, 5239), (2704, 4805), (3224, 4030), (3380, 3844)]