25091770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{233}}^1$

素因数の和:351

約数の個数: 48

約数和(自身を含む): 50417640

約数和(自身を除く): 25325870

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 121, 178, 233, 242, 445, 466, 605, 890, 979, 1165, 1210, 1958, 2330, 2563, 4895, 5126, 9790, 10769, 12815, 20737, 21538, 25630, 28193, 41474, 53845, 56386, 103685, 107690, 140965, 207370, 228107, 281930, 456214, 1140535, 2281070, 2509177, 5018354, 12545885, 25091770]

約数ペア:

[(1, 25091770), (2, 12545885), (5, 5018354), (10, 2509177), (11, 2281070), (22, 1140535), (55, 456214), (89, 281930), (110, 228107), (121, 207370), (178, 140965), (233, 107690), (242, 103685), (445, 56386), (466, 53845), (605, 41474), (890, 28193), (979, 25630), (1165, 21538), (1210, 20737), (1958, 12815), (2330, 10769), (2563, 9790), (4895, 5126)]