12670780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{449}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 28576800

約数和(自身を除く): 15906020

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 83, 85, 166, 170, 332, 340, 415, 449, 830, 898, 1411, 1660, 1796, 2245, 2822, 4490, 5644, 7055, 7633, 8980, 14110, 15266, 28220, 30532, 37267, 38165, 74534, 76330, 149068, 152660, 186335, 372670, 633539, 745340, 1267078, 2534156, 3167695, 6335390, 12670780]

約数ペア:

[(1, 12670780), (2, 6335390), (4, 3167695), (5, 2534156), (10, 1267078), (17, 745340), (20, 633539), (34, 372670), (68, 186335), (83, 152660), (85, 149068), (166, 76330), (170, 74534), (332, 38165), (340, 37267), (415, 30532), (449, 28220), (830, 15266), (898, 14110), (1411, 8980), (1660, 7633), (1796, 7055), (2245, 5644), (2822, 4490)]