12248920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:328

約数の個数: 64

約数和(自身を含む): 29548800

約数和(自身を除く): 17299880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 95, 142, 152, 190, 227, 284, 355, 380, 454, 568, 710, 760, 908, 1135, 1349, 1420, 1816, 2270, 2698, 2840, 4313, 4540, 5396, 6745, 8626, 9080, 10792, 13490, 16117, 17252, 21565, 26980, 32234, 34504, 43130, 53960, 64468, 80585, 86260, 128936, 161170, 172520, 306223, 322340, 612446, 644680, 1224892, 1531115, 2449784, 3062230, 6124460, 12248920]

約数ペア:

[(1, 12248920), (2, 6124460), (4, 3062230), (5, 2449784), (8, 1531115), (10, 1224892), (19, 644680), (20, 612446), (38, 322340), (40, 306223), (71, 172520), (76, 161170), (95, 128936), (142, 86260), (152, 80585), (190, 64468), (227, 53960), (284, 43130), (355, 34504), (380, 32234), (454, 26980), (568, 21565), (710, 17252), (760, 16117), (908, 13490), (1135, 10792), (1349, 9080), (1420, 8626), (1816, 6745), (2270, 5396), (2698, 4540), (2840, 4313)]