1238920

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{659}}^1$

素因数の和:717

約数の個数: 32

約数和(自身を含む): 2851200

約数和(自身を除く): 1612280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 659, 940, 1318, 1880, 2636, 3295, 5272, 6590, 13180, 26360, 30973, 61946, 123892, 154865, 247784, 309730, 619460, 1238920]

約数ペア:

[(1, 1238920), (2, 619460), (4, 309730), (5, 247784), (8, 154865), (10, 123892), (20, 61946), (40, 30973), (47, 26360), (94, 13180), (188, 6590), (235, 5272), (376, 3295), (470, 2636), (659, 1880), (940, 1318)]