19580680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{69931}}^1$

素因数の和:69949

約数の個数: 32

約数和(自身を含む): 50351040

約数和(自身を除く): 30770360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 69931, 139862, 279724, 349655, 489517, 559448, 699310, 979034, 1398620, 1958068, 2447585, 2797240, 3916136, 4895170, 9790340, 19580680]

約数ペア:

[(1, 19580680), (2, 9790340), (4, 4895170), (5, 3916136), (7, 2797240), (8, 2447585), (10, 1958068), (14, 1398620), (20, 979034), (28, 699310), (35, 559448), (40, 489517), (56, 349655), (70, 279724), (140, 139862), (280, 69931)]