645092950580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{123433}}^1\times {\mathrm{20101}}^1$

素因数の和:143556

約数の個数: 48

約数和(自身を含む): 1458986917584

約数和(自身を除く): 813893967004

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 20101, 40202, 80404, 100505, 123433, 201010, 246866, 261313, 402020, 493732, 522626, 617165, 1045252, 1234330, 1306565, 1604629, 2468660, 2613130, 3209258, 5226260, 6418516, 8023145, 16046290, 32092580, 2481126733, 4962253466, 9924506932, 12405633665, 24811267330, 32254647529, 49622534660, 64509295058, 129018590116, 161273237645, 322546475290, 645092950580]

約数ペア:

[(1, 645092950580), (2, 322546475290), (4, 161273237645), (5, 129018590116), (10, 64509295058), (13, 49622534660), (20, 32254647529), (26, 24811267330), (52, 12405633665), (65, 9924506932), (130, 4962253466), (260, 2481126733), (20101, 32092580), (40202, 16046290), (80404, 8023145), (100505, 6418516), (123433, 5226260), (201010, 3209258), (246866, 2613130), (261313, 2468660), (402020, 1604629), (493732, 1306565), (522626, 1234330), (617165, 1045252)]