31351520

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10313}}^1$

素因数の和:10347

約数の個数: 48

約数和(自身を含む): 77973840

約数和(自身を除く): 46622320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 10313, 20626, 41252, 51565, 82504, 103130, 165008, 195947, 206260, 330016, 391894, 412520, 783788, 825040, 979735, 1567576, 1650080, 1959470, 3135152, 3918940, 6270304, 7837880, 15675760, 31351520]

約数ペア:

[(1, 31351520), (2, 15675760), (4, 7837880), (5, 6270304), (8, 3918940), (10, 3135152), (16, 1959470), (19, 1650080), (20, 1567576), (32, 979735), (38, 825040), (40, 783788), (76, 412520), (80, 391894), (95, 330016), (152, 206260), (160, 195947), (190, 165008), (304, 103130), (380, 82504), (608, 51565), (760, 41252), (1520, 20626), (3040, 10313)]