1330678040

素因数分解:

$2^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{52721}}^1$

素因数の和:53363

約数の個数: 32

約数和(自身を含む): 2998827360

約数和(自身を除く): 1668149320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 631, 1262, 2524, 3155, 5048, 6310, 12620, 25240, 52721, 105442, 210884, 263605, 421768, 527210, 1054420, 2108840, 33266951, 66533902, 133067804, 166334755, 266135608, 332669510, 665339020, 1330678040]

約数ペア:

[(1, 1330678040), (2, 665339020), (4, 332669510), (5, 266135608), (8, 166334755), (10, 133067804), (20, 66533902), (40, 33266951), (631, 2108840), (1262, 1054420), (2524, 527210), (3155, 421768), (5048, 263605), (6310, 210884), (12620, 105442), (25240, 52721)]