51539440

素因数分解:

$2^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{3373}}^1$

素因数の和:3577

約数の個数: 40

約数和(自身を含む): 120492288

約数和(自身を除く): 68952848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191, 382, 764, 955, 1528, 1910, 3056, 3373, 3820, 6746, 7640, 13492, 15280, 16865, 26984, 33730, 53968, 67460, 134920, 269840, 644243, 1288486, 2576972, 3221215, 5153944, 6442430, 10307888, 12884860, 25769720, 51539440]

約数ペア:

[(1, 51539440), (2, 25769720), (4, 12884860), (5, 10307888), (8, 6442430), (10, 5153944), (16, 3221215), (20, 2576972), (40, 1288486), (80, 644243), (191, 269840), (382, 134920), (764, 67460), (955, 53968), (1528, 33730), (1910, 26984), (3056, 16865), (3373, 15280), (3820, 13492), (6746, 7640)]