79041520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{349}}^1$

素因数の和:530

約数の個数: 80

約数和(自身を含む): 195300000

約数和(自身を除く): 116258480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 149, 152, 190, 298, 304, 349, 380, 596, 698, 745, 760, 1192, 1396, 1490, 1520, 1745, 2384, 2792, 2831, 2980, 3490, 5584, 5662, 5960, 6631, 6980, 11324, 11920, 13262, 13960, 14155, 22648, 26524, 27920, 28310, 33155, 45296, 52001, 53048, 56620, 66310, 104002, 106096, 113240, 132620, 208004, 226480, 260005, 265240, 416008, 520010, 530480, 832016, 988019, 1040020, 1976038, 2080040, 3952076, 4160080, 4940095, 7904152, 9880190, 15808304, 19760380, 39520760, 79041520]

約数ペア:

[(1, 79041520), (2, 39520760), (4, 19760380), (5, 15808304), (8, 9880190), (10, 7904152), (16, 4940095), (19, 4160080), (20, 3952076), (38, 2080040), (40, 1976038), (76, 1040020), (80, 988019), (95, 832016), (149, 530480), (152, 520010), (190, 416008), (298, 265240), (304, 260005), (349, 226480), (380, 208004), (596, 132620), (698, 113240), (745, 106096), (760, 104002), (1192, 66310), (1396, 56620), (1490, 53048), (1520, 52001), (1745, 45296), (2384, 33155), (2792, 28310), (2831, 27920), (2980, 26524), (3490, 22648), (5584, 14155), (5662, 13960), (5960, 13262), (6631, 11920), (6980, 11324)]