51485960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{293}}^1$

素因数の和:518

約数の個数: 64

約数和(自身を含む): 121927680

約数和(自身を除く): 70441720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 191, 230, 293, 382, 460, 586, 764, 920, 955, 1172, 1465, 1528, 1910, 2344, 2930, 3820, 4393, 5860, 6739, 7640, 8786, 11720, 13478, 17572, 21965, 26956, 33695, 35144, 43930, 53912, 55963, 67390, 87860, 111926, 134780, 175720, 223852, 269560, 279815, 447704, 559630, 1119260, 1287149, 2238520, 2574298, 5148596, 6435745, 10297192, 12871490, 25742980, 51485960]

約数ペア:

[(1, 51485960), (2, 25742980), (4, 12871490), (5, 10297192), (8, 6435745), (10, 5148596), (20, 2574298), (23, 2238520), (40, 1287149), (46, 1119260), (92, 559630), (115, 447704), (184, 279815), (191, 269560), (230, 223852), (293, 175720), (382, 134780), (460, 111926), (586, 87860), (764, 67390), (920, 55963), (955, 53912), (1172, 43930), (1465, 35144), (1528, 33695), (1910, 26956), (2344, 21965), (2930, 17572), (3820, 13478), (4393, 11720), (5860, 8786), (6739, 7640)]