36894920

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:402

約数の個数: 64

約数和(自身を含む): 86471280

約数和(自身を除く): 49576360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 97, 148, 185, 194, 257, 296, 370, 388, 485, 514, 740, 776, 970, 1028, 1285, 1480, 1940, 2056, 2570, 3589, 3880, 5140, 7178, 9509, 10280, 14356, 17945, 19018, 24929, 28712, 35890, 38036, 47545, 49858, 71780, 76072, 95090, 99716, 124645, 143560, 190180, 199432, 249290, 380360, 498580, 922373, 997160, 1844746, 3689492, 4611865, 7378984, 9223730, 18447460, 36894920]

約数ペア:

[(1, 36894920), (2, 18447460), (4, 9223730), (5, 7378984), (8, 4611865), (10, 3689492), (20, 1844746), (37, 997160), (40, 922373), (74, 498580), (97, 380360), (148, 249290), (185, 199432), (194, 190180), (257, 143560), (296, 124645), (370, 99716), (388, 95090), (485, 76072), (514, 71780), (740, 49858), (776, 47545), (970, 38036), (1028, 35890), (1285, 28712), (1480, 24929), (1940, 19018), (2056, 17945), (2570, 14356), (3589, 10280), (3880, 9509), (5140, 7178)]