130811320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:197

約数の個数: 96

約数和(自身を含む): 315297360

約数和(自身を除く): 184486040

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 41, 62, 82, 83, 124, 155, 164, 166, 205, 248, 310, 328, 332, 410, 415, 620, 664, 820, 830, 961, 1240, 1271, 1640, 1660, 1922, 2542, 2573, 3320, 3403, 3844, 4805, 5084, 5146, 6355, 6806, 7688, 9610, 10168, 10292, 12710, 12865, 13612, 17015, 19220, 20584, 25420, 25730, 27224, 34030, 38440, 39401, 50840, 51460, 68060, 78802, 79763, 102920, 105493, 136120, 157604, 159526, 197005, 210986, 315208, 319052, 394010, 398815, 421972, 527465, 638104, 788020, 797630, 843944, 1054930, 1576040, 1595260, 2109860, 3190520, 3270283, 4219720, 6540566, 13081132, 16351415, 26162264, 32702830, 65405660, 130811320]

約数ペア:

[(1, 130811320), (2, 65405660), (4, 32702830), (5, 26162264), (8, 16351415), (10, 13081132), (20, 6540566), (31, 4219720), (40, 3270283), (41, 3190520), (62, 2109860), (82, 1595260), (83, 1576040), (124, 1054930), (155, 843944), (164, 797630), (166, 788020), (205, 638104), (248, 527465), (310, 421972), (328, 398815), (332, 394010), (410, 319052), (415, 315208), (620, 210986), (664, 197005), (820, 159526), (830, 157604), (961, 136120), (1240, 105493), (1271, 102920), (1640, 79763), (1660, 78802), (1922, 68060), (2542, 51460), (2573, 50840), (3320, 39401), (3403, 38440), (3844, 34030), (4805, 27224), (5084, 25730), (5146, 25420), (6355, 20584), (6806, 19220), (7688, 17015), (9610, 13612), (10168, 12865), (10292, 12710)]