51917560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{281}}^1$

素因数の和:472

約数の個数: 64

約数和(自身を含む): 121824000

約数和(自身を除く): 69906440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 149, 155, 248, 281, 298, 310, 562, 596, 620, 745, 1124, 1192, 1240, 1405, 1490, 2248, 2810, 2980, 4619, 5620, 5960, 8711, 9238, 11240, 17422, 18476, 23095, 34844, 36952, 41869, 43555, 46190, 69688, 83738, 87110, 92380, 167476, 174220, 184760, 209345, 334952, 348440, 418690, 837380, 1297939, 1674760, 2595878, 5191756, 6489695, 10383512, 12979390, 25958780, 51917560]

約数ペア:

[(1, 51917560), (2, 25958780), (4, 12979390), (5, 10383512), (8, 6489695), (10, 5191756), (20, 2595878), (31, 1674760), (40, 1297939), (62, 837380), (124, 418690), (149, 348440), (155, 334952), (248, 209345), (281, 184760), (298, 174220), (310, 167476), (562, 92380), (596, 87110), (620, 83738), (745, 69688), (1124, 46190), (1192, 43555), (1240, 41869), (1405, 36952), (1490, 34844), (2248, 23095), (2810, 18476), (2980, 17422), (4619, 11240), (5620, 9238), (5960, 8711)]