202178920

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{39799}}^1$

素因数の和:39937

約数の個数: 32

約数和(自身を含む): 458496000

約数和(自身を除く): 256317080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 39799, 79598, 159196, 198995, 318392, 397990, 795980, 1591960, 5054473, 10108946, 20217892, 25272365, 40435784, 50544730, 101089460, 202178920]

約数ペア:

[(1, 202178920), (2, 101089460), (4, 50544730), (5, 40435784), (8, 25272365), (10, 20217892), (20, 10108946), (40, 5054473), (127, 1591960), (254, 795980), (508, 397990), (635, 318392), (1016, 198995), (1270, 159196), (2540, 79598), (5080, 39799)]