16629440

素因数分解:

$2^6\times 5^1\times {\mathrm{157}}^1\times {\mathrm{331}}^1$

素因数の和:505

約数の個数: 56

約数和(自身を含む): 39971472

約数和(自身を除く): 23342032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 157, 160, 314, 320, 331, 628, 662, 785, 1256, 1324, 1570, 1655, 2512, 2648, 3140, 3310, 5024, 5296, 6280, 6620, 10048, 10592, 12560, 13240, 21184, 25120, 26480, 50240, 51967, 52960, 103934, 105920, 207868, 259835, 415736, 519670, 831472, 1039340, 1662944, 2078680, 3325888, 4157360, 8314720, 16629440]

約数ペア:

[(1, 16629440), (2, 8314720), (4, 4157360), (5, 3325888), (8, 2078680), (10, 1662944), (16, 1039340), (20, 831472), (32, 519670), (40, 415736), (64, 259835), (80, 207868), (157, 105920), (160, 103934), (314, 52960), (320, 51967), (331, 50240), (628, 26480), (662, 25120), (785, 21184), (1256, 13240), (1324, 12560), (1570, 10592), (1655, 10048), (2512, 6620), (2648, 6280), (3140, 5296), (3310, 5024)]