7131846020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{251653}}^1$

素因数の和:251784

約数の個数: 48

約数和(自身を含む): 16276980720

約数和(自身を除く): 9145134700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 218, 260, 436, 545, 1090, 1417, 2180, 2834, 5668, 7085, 14170, 28340, 251653, 503306, 1006612, 1258265, 2516530, 3271489, 5033060, 6542978, 13085956, 16357445, 27430177, 32714890, 54860354, 65429780, 109720708, 137150885, 274301770, 356592301, 548603540, 713184602, 1426369204, 1782961505, 3565923010, 7131846020]

約数ペア:

[(1, 7131846020), (2, 3565923010), (4, 1782961505), (5, 1426369204), (10, 713184602), (13, 548603540), (20, 356592301), (26, 274301770), (52, 137150885), (65, 109720708), (109, 65429780), (130, 54860354), (218, 32714890), (260, 27430177), (436, 16357445), (545, 13085956), (1090, 6542978), (1417, 5033060), (2180, 3271489), (2834, 2516530), (5668, 1258265), (7085, 1006612), (14170, 503306), (28340, 251653)]