15386721220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{542933}}^1$

素因数の和:543064

約数の個数: 48

約数和(自身を含む): 35116971120

約数和(自身を除く): 19730249900

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, 542933, 1085866, 2171732, 2714665, 5429330, 7058129, 10858660, 14116258, 28232516, 35290645, 59179697, 70581290, 118359394, 141162580, 236718788, 295898485, 591796970, 769336061, 1183593940, 1538672122, 3077344244, 3846680305, 7693360610, 15386721220]

約数ペア:

[(1, 15386721220), (2, 7693360610), (4, 3846680305), (5, 3077344244), (10, 1538672122), (13, 1183593940), (20, 769336061), (26, 591796970), (52, 295898485), (65, 236718788), (109, 141162580), (130, 118359394), (218, 70581290), (260, 59179697), (436, 35290645), (545, 28232516), (1090, 14116258), (1417, 10858660), (2180, 7058129), (2834, 5429330), (5668, 2714665), (7085, 2171732), (14170, 1085866), (28340, 542933)]