202080880

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{15497}}^1$

素因数の和:15673

約数の個数: 40

約数和(自身を含む): 472750992

約数和(自身を除く): 270670112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 6520, 13040, 15497, 30994, 61988, 77485, 123976, 154970, 247952, 309940, 619880, 1239760, 2526011, 5052022, 10104044, 12630055, 20208088, 25260110, 40416176, 50520220, 101040440, 202080880]

約数ペア:

[(1, 202080880), (2, 101040440), (4, 50520220), (5, 40416176), (8, 25260110), (10, 20208088), (16, 12630055), (20, 10104044), (40, 5052022), (80, 2526011), (163, 1239760), (326, 619880), (652, 309940), (815, 247952), (1304, 154970), (1630, 123976), (2608, 77485), (3260, 61988), (6520, 30994), (13040, 15497)]