12691180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{229}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 28516320

約数和(自身を除く): 15825140

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 163, 170, 229, 326, 340, 458, 652, 815, 916, 1145, 1630, 2290, 2771, 3260, 3893, 4580, 5542, 7786, 11084, 13855, 15572, 19465, 27710, 37327, 38930, 55420, 74654, 77860, 149308, 186635, 373270, 634559, 746540, 1269118, 2538236, 3172795, 6345590, 12691180]

約数ペア:

[(1, 12691180), (2, 6345590), (4, 3172795), (5, 2538236), (10, 1269118), (17, 746540), (20, 634559), (34, 373270), (68, 186635), (85, 149308), (163, 77860), (170, 74654), (229, 55420), (326, 38930), (340, 37327), (458, 27710), (652, 19465), (815, 15572), (916, 13855), (1145, 11084), (1630, 7786), (2290, 5542), (2771, 4580), (3260, 3893)]