2021091280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{149489}}^1$

素因数の和:149528

約数の個数: 60

約数和(自身を含む): 5088340620

約数和(自身を除く): 3067249340

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 2704, 3380, 6760, 13520, 149489, 298978, 597956, 747445, 1195912, 1494890, 1943357, 2391824, 2989780, 3886714, 5979560, 7773428, 9716785, 11959120, 15546856, 19433570, 25263641, 31093712, 38867140, 50527282, 77734280, 101054564, 126318205, 155468560, 202109128, 252636410, 404218256, 505272820, 1010545640, 2021091280]

約数ペア:

[(1, 2021091280), (2, 1010545640), (4, 505272820), (5, 404218256), (8, 252636410), (10, 202109128), (13, 155468560), (16, 126318205), (20, 101054564), (26, 77734280), (40, 50527282), (52, 38867140), (65, 31093712), (80, 25263641), (104, 19433570), (130, 15546856), (169, 11959120), (208, 9716785), (260, 7773428), (338, 5979560), (520, 3886714), (676, 2989780), (845, 2391824), (1040, 1943357), (1352, 1494890), (1690, 1195912), (2704, 747445), (3380, 597956), (6760, 298978), (13520, 149489)]