28290340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2053}}^1$

素因数の和:2128

約数の個数: 48

約数和(自身を含む): 65218608

約数和(自身を除く): 36928268

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2053, 2756, 3445, 4106, 6890, 8212, 10265, 13780, 20530, 26689, 41060, 53378, 106756, 108809, 133445, 217618, 266890, 435236, 533780, 544045, 1088090, 1414517, 2176180, 2829034, 5658068, 7072585, 14145170, 28290340]

約数ペア:

[(1, 28290340), (2, 14145170), (4, 7072585), (5, 5658068), (10, 2829034), (13, 2176180), (20, 1414517), (26, 1088090), (52, 544045), (53, 533780), (65, 435236), (106, 266890), (130, 217618), (212, 133445), (260, 108809), (265, 106756), (530, 53378), (689, 41060), (1060, 26689), (1378, 20530), (2053, 13780), (2756, 10265), (3445, 8212), (4106, 6890)]