66641320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{241}}^1$

素因数の和:506

約数の個数: 64

約数和(自身を含む): 156119040

約数和(自身を除く): 89477720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 223, 241, 248, 310, 446, 482, 620, 892, 964, 1115, 1205, 1240, 1784, 1928, 2230, 2410, 4460, 4820, 6913, 7471, 8920, 9640, 13826, 14942, 27652, 29884, 34565, 37355, 53743, 55304, 59768, 69130, 74710, 107486, 138260, 149420, 214972, 268715, 276520, 298840, 429944, 537430, 1074860, 1666033, 2149720, 3332066, 6664132, 8330165, 13328264, 16660330, 33320660, 66641320]

約数ペア:

[(1, 66641320), (2, 33320660), (4, 16660330), (5, 13328264), (8, 8330165), (10, 6664132), (20, 3332066), (31, 2149720), (40, 1666033), (62, 1074860), (124, 537430), (155, 429944), (223, 298840), (241, 276520), (248, 268715), (310, 214972), (446, 149420), (482, 138260), (620, 107486), (892, 74710), (964, 69130), (1115, 59768), (1205, 55304), (1240, 53743), (1784, 37355), (1928, 34565), (2230, 29884), (2410, 27652), (4460, 14942), (4820, 13826), (6913, 9640), (7471, 8920)]