2013903880

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{253003}}^1$

素因数の和:253213

約数の個数: 32

約数和(自身を含む): 4554072000

約数和(自身を除く): 2540168120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960, 253003, 506006, 1012012, 1265015, 2024024, 2530030, 5060060, 10120120, 50347597, 100695194, 201390388, 251737985, 402780776, 503475970, 1006951940, 2013903880]

約数ペア:

[(1, 2013903880), (2, 1006951940), (4, 503475970), (5, 402780776), (8, 251737985), (10, 201390388), (20, 100695194), (40, 50347597), (199, 10120120), (398, 5060060), (796, 2530030), (995, 2024024), (1592, 1265015), (1990, 1012012), (3980, 506006), (7960, 253003)]