19612880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{35023}}^1$

素因数の和:35043

約数の個数: 40

約数和(自身を含む): 52115712

約数和(自身を除く): 32502832

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 35023, 70046, 140092, 175115, 245161, 280184, 350230, 490322, 560368, 700460, 980644, 1225805, 1400920, 1961288, 2451610, 2801840, 3922576, 4903220, 9806440, 19612880]

約数ペア:

[(1, 19612880), (2, 9806440), (4, 4903220), (5, 3922576), (7, 2801840), (8, 2451610), (10, 1961288), (14, 1400920), (16, 1225805), (20, 980644), (28, 700460), (35, 560368), (40, 490322), (56, 350230), (70, 280184), (80, 245161), (112, 175115), (140, 140092), (280, 70046), (560, 35023)]