2013765860

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{401}}^1\times {\mathrm{1301}}^1$

素因数の和:1904

約数の個数: 48

約数和(自身を含む): 4264695792

約数和(自身を除く): 2250929932

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 401, 772, 802, 965, 1301, 1604, 1930, 2005, 2602, 3860, 4010, 5204, 6505, 8020, 13010, 26020, 77393, 154786, 251093, 309572, 386965, 502186, 521701, 773930, 1004372, 1043402, 1255465, 1547860, 2086804, 2510930, 2608505, 5021860, 5217010, 10434020, 100688293, 201376586, 402753172, 503441465, 1006882930, 2013765860]

約数ペア:

[(1, 2013765860), (2, 1006882930), (4, 503441465), (5, 402753172), (10, 201376586), (20, 100688293), (193, 10434020), (386, 5217010), (401, 5021860), (772, 2608505), (802, 2510930), (965, 2086804), (1301, 1547860), (1604, 1255465), (1930, 1043402), (2005, 1004372), (2602, 773930), (3860, 521701), (4010, 502186), (5204, 386965), (6505, 309572), (8020, 251093), (13010, 154786), (26020, 77393)]